Adam Friedman, an associate professor of dermatology at George Washington School of Medicine and Health Sciences, says molluscum "look a little like whiteheads, though the center of the white papule is umbilicated," like a donut with a hole in the middle.
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Moderately umbilicated. Sulcated. Grooved. Sulcus. A longitudinal furrow. Superanal. Above the anus. Supra-peripheral. Above the periphery. Symmetrical.
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The shell is auriform, a little depressed and narrowly umbilicated. The spire is short. The oval aperture is oblique. The lips are rounded.
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The thin, delicate, smooth shell is depressed and widely umbilicated. The whorls are rounded or angulated. The spire is depressed. The sculpture is finely decussated.
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The shell has a conical shape. The base is not umbilicated. The whorls are striate or granulate. The anal fasciole is submedian or below the middle.
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There are four or five ventricose whorls. The suture is deeply impressed. The base is moderately conical, imperforate or minutely umbilicated. The aperture is very oblique.
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The diameter of the shell is 2.3 mm. The shell is rather widely umbilicated. It has a subdiscoidal shape with radiating riblets fimbriating four spiral cariniae.
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It appears as numerous umbilicated vesicles superimposed on healing atopic dermatitis. it is often accompanied by fever and lymphadenopathy. Eczema herpeticum can be life-threatening in babies.
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The base of the shell is short, well rounded, and narrowly umbilicated. It is marked like the spire. The aperture is subquadrate. The posterior angle is acute.
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The size of the shell attains 2.5 mm. The thin shell is narrowly umbilicated. It has a depressed trochiform shape. It is translucent, white, smooth, and shining.
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The diameter of the shell is 1.5 mm. The somewhat solid shell is narrowly umbilicated. It is greenish and a little shining. It is obliquely longitudinally striate.
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The periphery of the body whorl is well rounded. The base of the shell is short and strongly umbilicated. The aperture is oval;. The posterior angle is obtuse.
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The height of the shell attains 3.5 mm, its diameter 6 mm. The solid shell has a depressed conical shape. It is narrowly umbilicated. The shell contains 4½ whorls.
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The size of the shell attains 6 mm. The white shell has a subconical shape and is narrowly umbilicated. The shell contains four whorls. The aperture is ovate-triangular.
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The size of the shell varies between 16 mm and 31 mm. The rather solid shell has a conical shape. The apex is obtuse. The shell is profoundly umbilicated.
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The diameter of the shell attains 2 mm. The shining, white shell has a globosely turbinate shape. It is narrowly umbilicated, semi- opaque, and smooth. The four whorls are convex.
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The very regularly elongate conic shell is umbilicated, yellowish white. It measures 5.2 mm. The whorls of the protoconch are decollated. The six whorls of the teleoconch are moderately rounded.
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The base of the shell is moderately long, well rounded and narrowly umbilicated. The aperture is broadly oval, effuse anteriorly. The posterior angle is obtuse;. The outer lip is thin.
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The surface of the shell is polished, marked by faint lines of growth and microscopic spiral striations. The shell is not umbilicated. The basal fasciole is absent. The aperture is suboval.
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Having the form of a top. Turriculated. Having the form of a tower. Turreted. Having the form of a tower. Umbilicated. Having an opening in the base of the shell. Undulated.
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The diameter of the shell attains 2.5 mm. The depressed shell is widely umbilicated, with a spiral rib near the suture, another on the periphery, and a third circumscribing the umbilicus.
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The height of the shell attains 14 mm. The white shell is rather widely umbilicated. The rounded whorls contain spiral riblets and longitudinal striae. A beaded riblet winds into the umbilicus.
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The diameter of the shell is 2.5 mm. The solid shell is widely umbilicated, with regular, angular spiral carinae. The interstices are radiately sculptured. The 4 whorls are convex and rapidly increasing.
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The height of the shell is 0.75 mm, its diameter 1.8 mm. The white shell has a scarcely elevated spire. It is widely umbilicated. The three whorls are flattened below the suture.
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The shell is large for the genus, brown, without hairs, completely flat, umbilicated, the ends of the peristome connected with a thin callus. The width of the shell is 37–48 mm.
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The shell is narrowly umbilicated, flattened above, thin, pellucid, olivaceous corneous. The shell has 4½ whorls, that are rather flattened. The last whorl is not descending. The peristome is acute, reflected, white-lipped.
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The size of the shell varies between 0.75 mm and 1.5 mm. The shell is narrowly umbilicated. It is pellucid, yellowish white. The short, obtuse spire is smooth, microscopically rugulose and spirally striate.
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The shell is small for the genus, brown, with hairs, with impressed spire, umbilicated, the ends of the peristome connected with a thin callus. The width of the shell is 11–13 mm.
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The large shell large measures 7.5 mm. It is umbilicated, yellowish-white. The nuclear whorls are decollated. The six post-nuclear whorls are decidedly, slopingly, tabulatedly shouldered at the summit, otherwise moderately rounded.
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The size of the shell varies between 3 mm and 4.3 mm. The base is perforated or umbilicated. The fissure of the outer lip is close to the suture. The columella is produced below.
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The height of the shell attains 6.5 mm, its diameter 8 mm. The shining, pale-white shell has a conical shape and is deeply umbilicated. The shell contains five whorls. The aperture is linear.
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The shell grows to a length of 1 mm and a diameter of 1.3 mm. The shell has a depressed globose shape. It is strongly sculptured and profoundly umbilicated. The shell contains 3½ whorls.
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The height of the shell attains 1 mm. The small, white shell is deeply umbilicated. It has a depressed discoidal shape with a rather flat top. It contains 3½ whorls with a depressed apex.
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The diameter of the shell attains 3.1 mm. The rather solid, yellowish white shell is narrowly umbilicated. it is opaque, glossy, with a few irregular growth lines. The spire has a rather flattened apex.
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The shell is of medium size, measuring 4 mm. The shell is narrowly elongate-ovate, umbilicated, yellowish-white. The nuclear whorls are decollated. The five post-nuclear whorls lie rather high between the sutures.
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The shell is moderately in size for the genus, without hairs and brownish corneous. The spire is somewhat impressed. The shell is umbilicated. The ends of the peristome are connected by a thin callus.
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The shell is yellowish brown, sometimes irregularly maculated with chestnut, with chestnut spots on a narrow band below the suture. The spire is long and turreted. It is slightly umbilicated. The large sinus is ascending.
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The size of the shell varies between 2.7 mm and 4.4 mm. The shell thin, transparent, glossy, but not nacreous forms a depressed cone. Its color is glassy. The shell is umbilicated and rather smooth.
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The shell grows to a length of 6 mm. The shell is widely umbilicated, with alternate larger and smaller tuberculated spiral ribs. The ribs are simple on the base. The umbilicus is acutely carinate-margined.
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The shell is rather largely, excavately umbilicated, and shortly conical. Its color is ashgreen, obliquely flamed with black. The whorls are flatly convex, spirally very closely gemmed with regular grains. The base is grain-ridged.
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The length of the shell varies between 1.2 mm and 4 mm. The smooth, shining shell is narrowly umbilicated. It contains 4½ tumid whorls with a deep suture. These whorls are rapidly increasing in size.
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The size of the shell attains 2 mm. The white shell is widely umbilicated and has a turbinate shape. The spire is elevated, with an obtuse apex. The three whorls are rounded and spirally striate.
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The size of the shell varies between 8 mm and 20 mm. The solid shell has a conical shape and is narrowly umbilicated. It is lusterless, ashen or whitish. It is a very variable shell.
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The sutures are well impressed. The periphery of the body whorl is obscurely angulated. The base of the shell is somewhat inflated, well rounded, narrowly umbilicated and marked like the spire. The aperture is ovate.
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The height of the shell attains 4 mm, its diameter 8 mm. The shell is deeply umbilicated. suborbicular and slightly conoidal. Its color is brown, variegated with rosy, painted with white lines articulated with black.
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The planorbular, white shell is cancellated with elevated, decussating tansverse and longitudinal lines. It is very widely umbilicated. The spire is excavated. The whorls are rapidly increasing, spirally striated, with a sloping, smooth sutural margin.
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The height of the shell is 3 mm, its diameter 5 mm. The shell is small, solid and has a depressed conical shape. It is deeply umbilicated. The shell has six whorls with an elaborate sculpture.
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The shell is broadly and profoundly umbilicated. It has a turbinate-depressed shape. It is transversely strongly cristate-carinate, longitudinally subobliquely striate, except on the carina. The shell is thin, rather translucent, unicolored in dull whitish.
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They are apparently marked by incremental lines only. The sutures are strongly constricted. The periphery of the body whorl is somewhat inflated, well rounded. The base of the shell is short, well rounded and broadly umbilicated.
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The height of the shell attains 20 mm, its diameter 25 mm. The narrowly umbilicated shell contains 4 whorls with distinct sutures and a projecting peripheral keel. The oblique aperture is circular. Its color is chalky white.
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It is rounded at the periphery, depressed on the base and umbilicated. The umbilicus is very narrow, white and encircled by a white zone. The rounded aperture is oblique and simple. The peristome shows a light thickening.
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The size of the shell attains 2 mm. The solid, semipellucid, white shell is widely, perspectively umbilicated. It is finely spirally lirate, crossed by close incremental stripe. The three whorls are convex, and moderately increasing in size.
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The carina is slightly crenulated on the body whorl posteriorly. The body whorl is rounded at the periphery. The convex base is deeply and broadly umbilicated and very finely corrugated. The simple aperture is elliptical and heliciform.
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The surface of the shell is marked by strong axial ribs. The intercostal spaces are spirally pitted. The early teleoconch whorls are sculptured differently from the later ones. The shell is umbilicated and contains two columellar folds.
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The base of the shell is quite short, decidedly rounded, and umbilicated. The umbilicus is partly covered by the revolute columella. The aperture is large, very broadly oval, and somewhat effuse anteriorly. The posterior angle is obtuse.
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The shell grows to a length of 4 mm. The shell is narrowly umbilicated, faintly spirally striate, with hardly visible longitudinal striae. It is dark purplish black, with a few irregular white markings. The three whorls are convex.
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The thin, whitish shell is narrowly umbilicated. Its maximum reported size is 1 mm. The fine growth lines are crossed by microscopic close-set spiral strife, giving the surface a frosted appearance. The 3½ whorls are rapidly increasing.
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The shells of the snails in this family are minute, colorless and glassy. The paucispiral shell is umbilicated, auriform and depressed. The entire aperture is oblique. The shell has a simple columella, and a rounded, sharp outer lip.
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The depressed-conical shell is profoundly umbilicated. The 5½ whorls are slightly convex and ornamented with transverse granulose lirae. The interstices are obliquely longitudinally striated. The body whorl is encircled by a prominent crenulated carina at the periphery.
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The periphery and the base of the body whorl are inflated, well rounded, the latter decidedly contracted and narrowly umbilicated. The aperture is large, suboval, somewhat effuse anteriorly. The posterior angle is obtuse. The outer lip is thin.
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The size of the shell varies between 4 mm and 7.5 mm. The thin, minute shell has a low ovate-conic shape and is amply umbilicated. Its color is ashy white, pearly beneath. The six whorls are convex.
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The height of the shell attains 3½ mm, its diameter also 3½ mm. The shell has a globose- conoidal shape and is profoundly umbilicated. It contains 4½ convex whorls with a short and obtuse spire. It is spirally lirated.
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The shell grows to a height of 1.5 mm. The rather thin, white shell is narrowly umbilicated. It is semitransparent glossy and lacks any sculpture, The four whorls are swollen and rapidly increasing. The periphery is simple and acute.
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The size of the shell varies between 4 mm and 10 mm. The small, solid, umbilicated shell has a depressed-turbinate shape. It is polished, pinkish-white, with oblique, undulating grayish-pink longitudinal stripes. The low spire is conic.
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They are marked with lines of growth and very fine spiral striations. The periphery of the body whorl is well rounded. The base of the shell is slightly protracted, well rounded, very narrowly umbilicated. The aperture is elongate ovate.
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The yellowish white shell is very elongate ovate, and umbilicated. It is thick and robust. Its length measures 6.4 mm. The whorls of the protoconch are very small, obliquely, almost completely immersed in the first of the succeeding turns.
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They are marked by decidedly retractive lines of growth and numerous, strong, incised, spiral lines. The sutures are constricted. The periphery of the body whorl is subangulated and inflated. The base of the shell is short and narrowly umbilicated.
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They are crossed by numerous very fine, closely spaced spiral striations. The suture is moderately constricted. The periphery of the body whorl is inflated, and well rounded. The base of the shell is short, inflated, strongly rounded, and narrowly umbilicated.
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The shell of Perotrochus quoyanus quoyanus has a trochiform shape. It is obtusely carinated, with the base rounded, flattened and concave but not umbilicated. The spire is turbinate, terminating in an acuminate apex. The nine, granulose whorls are slowly increasing.
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The species in this genus are small to minute. They have a depressed or turbinate shape. They are all umbilicated with a nacreous inner layer. The thickened outer lip, attached to the body whorl for a short length, is continuous.
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The height of the shell attains 3 mm, its diameter 5 mm. The white, solid, deeply umbilicated shell has a depressed shape. It is slightly transversely furrowed. The shell contains four whorls, with the last one rapidly increasing in size.
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The height of the shell attains 1.2 mm, its diameter 2.2 mm. The minute, very fragile shell has a discoidal shape. It is diaphanous and widely umbilicated. The spire is flat, not rising above the plane of the last whorl.
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The whitish-pearly, thin shell is broadly umbilicated. It has a conoidal shape. The 5½ convex whorls are separated by a gradate suture. They are ornamented with oblique, dense regular radiating costellae, and two spiral lirae on the lower part.
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The size of the shell varies between 2 mm and 5 mm. The rather solid shell has a trochiform shape. It is somewhat, but rather deeply, umbilicated. The conoid spire consists of 6½ somewhat convex whorls with a very pronounced suture.
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The periphery of the body whorl is rendered decidedly angulated by the spiral cord. The base of the shell is rather long, well rounded, and narrowly umbilicated. The entire surface is marked by slender spiral striations. The aperture is broadly oval.
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The shell is large for the genus, brown, without hairs, somewhat elevated spire, umbilicated, the ends of the peristome connected with a strong, white callus bearing a more or less conspicuous tooth. The width of the shell is 34–45 mm.
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The shell is small, discoidal, carinated, widely umbilicated. The last whorl is becoming free at the aperture. The aperture is very oblique, rounded, with continuous slightly expanded peristome, and having several teeth on the outer lip and an entering parietal lamina.
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They are marked by slightly retractive lines of growth, and exceedingly fine, closely placed, wavy spiral striations. The periphery of the body whorl is well rounded. The base of the shell is short, inflated andmoderately umbilicated. The aperture is ovate.
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The summit is strongly narrowly tabulate. The periphery of the body whorl is inflated. The base of the shell is very strongly suddenly rounded, widely and deeply umbilicated. The entire surface is marked by numerous fine, closely spaced, spiral striations.
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The thin, soiled yellowish white shell is very elongate and has an ovate shape. Its length measures 4.3 mm. It is umbilicated. The whorls of the protoconch are small, smooth, very obliquely, deeply immersed in the first of the succeeding turns.
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The inflated base of the shell is rather short, narrowly umbilicated and marked like the spire. The aperture is broadly ovate, somewhat effuse anteriorly. The posterior angle is acute. The outer lip is thin, and strongly curved in the middle.
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The living animal is brownish-beige throughout, including the tentacles. The shell is umbilicated, ovate-pyramidal, thin, translucid and shining. The color is pale buff, with elegant longitudinal narrow tawny streaks. The shell has 6 whorls, that are a little convex.
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The orbicular, deeply umbilicated shell has an obtuse-conical shape. It contains four convex whorls, the last of which is adorned only by growth lines. The oblique aperture is sub-circular and pearly inside. In, adults its edges are joined by a callus .
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The shell has a conical shape with a high spire. It is carinated and umbilicated. The base of the shell is inflated. The shell is covered with a thin, extremely persistent, smooth, fibrous epidermis, The epidermis swells up and becomes pustulated in water.
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The height of the shell attains 5 mm, its diameter 5 mm. The umbilicated, very fragile shell has a conoidal shape. The 5½ whorls are angular and flat above. The first 3 whorls are smooth, the remainder minutely cingulate, granose, and obliquely striate.
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The width of this large gastropod shell is 130–285 mm. The shell has a broadly conoid shape with a convex base. It is moderately umbilicated, the umbilicus penetrating to the apex. It is a little plicated within by the prominent growth lines.
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Not perforated or umbilicated. Impressed. Marked by a furrow, as the impressed spiral lines on some gastropod shells. Incrassate. Thickened. Incurved. Leaned or bent over, as the apex in some snails. Indented. Notched. Inflected. Turned in, as the teeth of some snails. Inhalent.
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They are marked by fine incremental lines, and numerous exceedingly fine, closely spaced, spiral striations. The sutures are moderately constricted. The periphery of the body whorl is inflated, well rounded. The base of the shell is moderately long, well rounded, openly umbilicated.
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The shell grows to a height of 5½ mm. The shell has a conical shape with rounded periphery and a slightly convex base, umbilicated, white, scarcely with a yellowish tinge. The 6½ whorls are convex. The nucleus is smooth, the subsequent whorl has concentric ribs.
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The base of the shell shows a sinus. It is deeply umbilicated or imperforate. The thin operculum is oval, with a subcentral nucleus and with obsolete, numerous concentric lines.Tryon (1887), Manual of Conchology IX – Solariidae (by William B. Marshall), Ianthinidae, Trichotropidae, Scalariidae, Cerithiidae, Rissoidae, LittorinidaeJ.
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The height of the shell attains 2½ mm, its diameter 2 mm. The very small shell is profoundly umbilicated, and has a conoidal shape. The 5 to 6 whorls are separated by impressed sutures. They are rather convex, planulate at the sutures and subgradate.
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The shell is depressedly tumidly conoid, umbilicated, solid, rather flat on base. The sculpture is very regular, longitudinal, sharply defined, broad-ridged ribbing. Color is rich olivaceous with ochre tint. It vary in colour and size, often being of a pale ochraceous-grey tint.
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The height of the shell attains 0.25mm, its diameter 1.25 mm. The very minute, white, hyaline shell consists of four whorls, including the smooth, globular protoconch. It has a discoidal shape with a sunken spire and is widely umbilicated. It is ornamented with transverse riblets.
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Pupoid protoconch (enlarged) of Nisiturris crystallina The very slender and thin, almost transparent shell has an elongate-conic shape. Its length varies between 2.9 mm and 4.5 mm. It is slightly umbilicated. The smooth whorls of the protoconch are large, and very much elevated.
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The elongate oval, light yellow, shell is umbilicated. Its length measures 4.6 mm. The whorls of the protoconch are small, deeply, very obliquely immersed in the first of the succeeding turns. The five whorls of the teleoconch are well rounded, with strongly rounded summits.
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The shell is elongate-ovate, very narrowly umbilicated, yellowish-white. It measures 3.2 mm. The nuclear whorls are very obliquely immersed in the first of the succeeding turns. The four post-nuclear whorls are very high between the sutures where they are very moderately rounded.
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The milk-white shell has an elongate-conic shape. Its length measures 6.5 mm. It is umbilicated. The whorls of the protoconch are small, obliquely immersed in the first of the turns of the teleoconch, above which only the tilted edge of the last volution projects.
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The white shell grows to a length of 2.2 mm. It is widely umbilicated and depressed, with a low spire. it is finely, longitudinally, obliquely striate, with several spiral lines on the body whorl above the periphery. These become more numerous and closer on the base.
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The size of the shell varies between 25 mm and 40 mm. The rather thin shell has a depressed-conical shape and is broader than high. It is broadly and profoundly umbilicated. It has a pale, yellowish flesh-color, painted with tawny flammules and sparsely spotted.
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The parts bearing the original surface show traces of exceedingly fine spiral striations. The periphery and the base of the body whorl are rather inflated, well rounded, the latter narrowly umbilicated, and marked like the spire. The aperture is broadly oval. The posterior angle is obtuse.
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The height of the shell attains 5 mm, its diameter 8 mm. The small, shining, crimson, depressed shell has a trochiform shape. It is umbilicated, spirally striated, an rather solid. The sculpture of the post -embryonic whorls consist of fine somewhat unequal spiral striae, with linear interspaces.
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The ordinary spire whorls are separated by a canaliculate suture and are flattened posteriorly. The body whorl is convex in the anterior-third. The base of the shell is flatly convex and falsely umbilicated. The columella enters the umbilical depression, which is shallow and moderately narrow.
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The height of the shell attains 0.6 mm, its diameter 1.0 mm. The thin, yellowish-white shell is minute and has a discoidal shape. It is umbilicated. To the naked eye the shell appears to be quite smooth, but under magnification reveals subequidistant, strongly undulating, radiate threads.
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The size of the shell varies between 12 mm and 20 mm. The shell is rather narrowly umbilicated. It has a pale orange yellow color, radiated and spotted with a reddish chestnut. The three whorls contain scaly- prickly keels at the periphery and are slopingly flattened above.
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The cap is umbilicated with a down turned margin, rarely funnel shaped. When moist, it is dark grey with a brownish grey center, striped and whitish grey when dry. it grows up to 5 cm in diameter. The gills are grey, rather thick and a little decurrent.
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The height of this poorly known shell attains 0.27 mm, its diameter 0.75 mm. The very minute, white, opaque shell consists of four whorls, including the smooth, globular protoconch. It has a discoidal shape with a sunken spire and is widely umbilicated. It is ornamented with transverse riblets.
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The size of the shell attains 16 mm. The heavy, solid shell has a low conical shape. It is umbilicated and carinated. Its color is white, or suffused with a faint rose tint, with a series of small rose-colored maculations above the periphery and sometimes at the suture.
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The base of the shell is short, well rounded, and broadly umbilicated. It is marked by seven broad low bands which grow successively wider from the umbilical edge toward the periphery. These bands appear as a series of turns of a bandage. The umbilicus lacks any spiral sculpture.
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The yellowish white shell is ovate and umbilicated. Its length measures 6.1 mm. The whorls of the protoconch are very small and deeply immersed in the first of the succeeding turns. The six whorls of the teleoconch are well rounded, with strongly concave summits, forming deeply channeled sutures.
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The ovate, umbilicated shell is bluish white. Its length measures 5.7 mm. The whorls of the protoconch are small, obliquely immersed in the first of the succeeding turns. The five whorls of the teleoconch are moderately rounded, slightly shouldered at the summits, marked by retractive lines of growth.
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The shell is moderately umbilicated, conoid, solid, light rufous above, paler below, especially towards the umbilicus. Nepionic whorls are finely granulated, the remainder closely covered with fine curved riblets, and densely infested with granules arranged in quincunx above, but somewhat irregularly below. The spire is pyramidal. Apex is acute.
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The thin, bluish white shell has an ovate shape and is narrowly umbilicated. Its length measures 3 mm. The whorls of the protoconch are small, completely, deeply, obliquely immersed in the first of the succeeding turns. The five whorls of the teleoconch are inflated, strongly rounded, and appressed at the summit.
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The small, milk-white shell grows to a length of 2.0 mm. It is umbilicated, regularly conic with an obliquely truncated apex and deeply channeled sutures. The whorls of the protoconch are almost completely immersed in the first whorl of the teleoconch. Only half of the last volution projects above it.
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The broadly umbilicated shell has an elevated-conical shape. It is cinereus, painted with brown undulating lines. The whorls are ornamented with transverse riblets, the last with 3 median lirae, longitudinally elevated striate. The large umbilicus is encircled by a crenulated cingulus, and within elegantly decussated by radiating and transverse lines.
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The sutures are well impressed. The periphery is short, the base of the body whorl is well rounded, the latter narrowly umbilicated. The entire surface of the spire and the base is marked by numerous vertical lines of growth and exceedingly fine, closely spaced, wavy spiral striations. The aperture is ovate.
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The shell is very elongate-ovate, deeply umbilicated, light yellow. Its length measures 5.5 mm. The whorls of the protoconch are very deeply immersed. The five whorls of the teleoconch are very slightly rounded in the middle between the sutures, more strongly so near the anterior end and toward the summit.
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The size of the shell attains 2.2 mm. The shell is narrowly umbilicated, faintly striate, with a few indistinct spiral lines below the suture, and numerous well defined ones on the base. Around the umbilicus the inferior striae become stronger. The surface of the shell is smooth and greyish white.
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The size of the shell varies between 1 mm and 2.5 mm. The thin, white shell is transparent. The spire is depressed, and composed of 4 whorls that are plane on their upper surfaces, strongly carinated at the periphery, and convex below the carina. The body whorl is very large, and widely umbilicated.
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The shell grows to a height of 1.8 mm. The thin shell is narrowly umbilicated. It is semitransparent, lustreless, with nearly microscopic spiral stride, which are wanting on the base and replaced by a rugose or fretted appearance. The color of the shell is pale yellowish white, with a faint greenish tinge.
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The height of this small shell measures 3 mm. It is broadly umbilicated, pearly and beautifully prismatic. The spire is depressed-conical. It contains five whorls, the first two are smooth, the remainder spirally lirate, and ornamented beneath the channelled sutures with a series of white tubercles, here and there marked with brown.
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The height of the shell is 1.95 cm (0.77 inch), its diameter 1.98 cm (0.78 inch). The thin, translucent, umbilicated shell has a globosely conical shape. It is banded and iridescent. The sculpture shows spiral threads numbering from twenty-five to thirty-five, sharply projecting, rounded, and fine on the body whorl.
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The diameter of the shell is 1.5 mm. The shell is narrowly umbilicated, with radiating low, broadly rounded undulations above, scalloping the periphery. The shell is quadricarinate in the adults, bicarinate in the young, the carinae being more acuate, sinuately dentate, and dotted with brown. The aperture is subcircular in the adult.
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The size of the shell varies between 10 mm and 13 mm. The shell has a conical shape, with decidedly higher spire generally than Clanculus floridus. It is subcarinate, nearly rounded at the periphery, and very deeply umbilicated. Its color is brownish, or, more frequently a beautiful emerald green, much paler below.
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The base of the shell is moderately long, well rounded, and narrowly umbilicated. It is marked by the strong continuations of the axial ribs and fine spiral striations, which become a little closer spaced on the anterior portion than at the periphery. The aperture is pear-shaped. The posterior angle is obtuse.
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The height of the shell is 7.5 mm, its diameter 8.8 mm. The five whorls of the yellowish-white, umbilicated shell increase rapidly in size. They are flattened at the suture and then moderately curved. Only the body whorl is more curved and slightly wrinkled at the base and the funnel- shaped umbilicus.
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The small, white shell grows to a length of 3 mm. It is elongate-conic, slender, slightly umbilicated. The at least two whorls of the protoconch are obliquely about half immersed in the first of the later whorls. The six whorls of the teleoconch are flattened, with strong tabulated and crenulated summits.
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The sutures are strongly impressed. The periphery and base of the body whorl is somewhat inflated, well rounded, the latter very frequently narrowly umbilicated. The entire surface of the spire and base is marked by vertical lines of growth and numerous exceedingly fine, spiral striations. The aperture is ovate, somewhat effuse anteriorly.
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The shell is widely umbilicated, the umbilicus is carinated, the area between the carination and keel concave. The shell is a uniform cream colour, slightly tinted with brown. The operculum is concentric, of uniform thickness, concave and shelly on the exterior, which is faintly granular. It is horny on its inner face.
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The yellowish-white shell has an elongate-ovate shape. Its length measures 4.7 mm. It is very narrowly umbilicated, and turreted. The whorls of the protoconch are small, obliquely immersed in the first of the succeeding turns, above which only half of the last volution projects and extends beyond the outline of the spire.
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The periphery of the body whorl is well rounded. The base of the shell is moderately long, and very narrowly umbilicated. It is a little less strongly rounded than the space between the sutures. It is marked by about 11 spiral lirations of about the same strength and spacing as those occurring on the spire.
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The periphery and the base of the body whorl are well rounded, the latter narrowly umbilicated. The entire surface of the spire and the base are marked by vertical lines of growth and numerous very fine, closely spaced, spiral lirations. The aperture is large, oval and slightly effuse anteriorly. The posterior angle is obtuse.
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The shell is large and measures 5.2 mm. It is elongate-ovate, strongly umbilicated, yellowish-white. The nuclear whorls are deeply immersed in the first of the succeeding turns, above which the tilted edge of the last volution only projects. The six post-nuclear whorls are well rounded, and feebly shouldered at the summit.
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The thin, large shell has an elongate-ovate shape, tapering very regularly to an acute point. Its length measures 13.6 mm. The shell is narrowly umbilicated. The whorls of the protoconch are very small, deeply obliquely immersed in the first of the succeeding whorls, above which only the tilted edge of the last volution projects.
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The milk-white shell is elongate ovate and deeply umbilicated. The whorls of the protoconch are small, deeply obliquely immersed in the first of the succeeding turns. The five whorls of the teleoconch are increasing very regularly in size, rather high between the sutures, well rounded with strongly tabulated summits. The sutures are strongly marked.
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Palisaded neutrophilic and granulomatous dermaititis is usually associated with a well-defined connective tissue disease, lupus erythematosus or rheumatoid arthritis most commonly, and often presents with eroded or ulcerated symmetrically distributed umbilicated papules or nodules on the elbows.James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders.
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The whorls are feebly angulated at the periphery, and the summits of succeeding turns fall a little anterior to it, which renders the sutures well impressed. The base of the body whorl is large, rounded, very narrowly umbilicated. The aperture is large, subovate, somewhat produced at the junction of the outer lip and columella. The posterior angle is acute.
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The size of the shell varies between 10 mm and 14 mm. The narrowly umbilicated shell has a conoid-depressed shape with 5 whorls. The first whorl is roseate, eroded, the following convex above, depressed beneath, whitish or rosy, flammulated with brownish-violet radiating maculations, obliquely striate and spirally lirate. The lirae are flat, narrow and not granose.
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The height of the shell attains 2 mm, its diameter 3 mm. The delicate, white, umbilicated shell contains four whorls. it is destitute of spiral ribs. The longitudinal riblets are very close and fine, about 26 in number on the five-angled body whorl, that surround the umbilicus at the base being the strongest and most conspicuous.
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The height of the shell attains 39 mm. The umbilicated shell is large, polished, solid, and contains 8 whorls. It is straw-yellow lineated with red-brown, and has a broad rose-colored peripheral band. The walls of the umbilicus are marked with incremental lines, slightly excavated near the carina, above convex, the convexity revolving with the whorl.
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The size of the shell varies between 9 mm and 22 mm. The shell is broadly umbilicated and the spire has a depressed conoidal shape. It is sculptured with very fine, hardly visible spiral striae and is otherwise smooth. It is very shining, ashen-whitish, painted with light yellowish to light brown confluent flammules above and at the umbilicus.
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The length of the shell varies between 7 mm and 13 mm. The helicoid shell is widely umbilicated, fulvous, punctate with red. The 6½ whorls are convex and somewhat loosely rolled on themselves which causes the sutures to very deep. They are traversed by spiral granulose cinguli ornamented with red dots, and alternately larger and smaller.
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The shell is of moderate size for the genus, brown, with hairs, spire somewhat elevated, umbilicated, the ends of the peristome connected with a thin callus. The width of the shell is 24 mm. Apical, apertural and umbilical view of the shell of the holotype of Chloritis talabensis. The width of the shell is 24 mm.
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The milk-white shell is elongate-ovate, umbilicated, and measures 6.2 mm. The nuclear whorls are deeply, obliquely immersed in the first of the post-nuclear turns, above which only the tilted edge of the last whorl projects. The six post-nuclear whorls are moderately rounded. They are marked by faint lines of growth, and numerous microscopic spiral striations.
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The pointed spire is composed of from ten to twelve distinct, smooth, slightly convex whorls. The body whorl is more inflated than the other whorls. The shell is smooth and umbilicated. The ovate aperture is subrotund at its base, and generally marked within, with very prominent ridges continued upon some specimens even to the edge of the sharp outer lip.
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The height of the shell varies between 12½ mm and 15 mm, its diameter between 15 mm and 17 mm. The conical shell is carinated at the periphery and deeply umbilicated. It is painted with crimson and brown radiating bifurcating stripes above, the apical whorls crimson. The base of the shell is convex, radiately strigate or finely tessellate with brown.
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Apertural view of Miralda diadema The white, small shell grows to a length of 1.8 mm. It is subovate, minutely umbilicated, with the summits of the whorls decidedly tabulated. The two helicoid whorls of the protoconch are moderately large, and about one-third immersed in the later whorls. The five whorls of the teleoconch are moderately rounded, decidedly tabulated at the summit,.
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The base of the shell is well rounded, narrowly umbilicated, and marked by a series of more or less regularly alternating strong and less strong spiral cords of which there are twenty-six in all. The aperture is subcircular. The outer lip is thin, showing the external sculpture within, somewhat wavy at the edge. The columella is short, stout and strongly curved.
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This genus is characterized by a depressed, openly umbilicated, smoothish shell. The peristome is obtuse. The columellar margin is dilated, partly vaulting over the umbilicus, which is radially sulcate within and has a very low, wide and rounded marginal cord. This genus comprises species related to Monilea, Ethalia and Isanda, but with features of the columellar lip and umbilicus unlike either.
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The periphery of the body whorl is very strongly angulated. The base of the shell is very short, slightly concave, broadly, openly umbilicated, and marked by 12 depressed, rounded spiral cords of somewhat varying width. The entire surface of the shell is marked by slender lines of growth which extend over the base and into the umbilicus. The large aperture is very oblique.
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The regularly conic, yellowish white shell is umbilicated. It measures 4 mm. The whorls of the protoconch are apparently planorboid, very obliquely, almost completely, immersed in the first of the later whorls, only a portion of the last volution being visible. The six whorls of the teleoconch are rather high between the sutures, slightly rounded (almost flattened), and subtabulately shouldered at the summits.
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The shell is umbilicated, ovate, conic above, moderately solid, brown with a buff line at the periphery, very delicately sculptured with lines of growth, and sometimes has low wrinkles and fine impressed spiral striae. The spire of the shell is conic. The apex is obtuse. The sculpture of the nepionic whorls (the whorls immediately following the embryonic whorls) has superficial vermiculate (worm-like) wrinkles.
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The stout, rough shell has a very broadly conic shape and is narrowly umbilicated. Its length measures 8 mm. The whorls of the protoconch are small, deeply obliquely immersed in the first turn of the teleoconch. The seven whorls of the teleoconch are with quite strong concavely shouldered summits, the rest well rounded (usually showing decided erosion marks which coincide largely with the lines of growth).
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The height of the shell varies between 8 mm and 9 mm, its diameter between 9 mm and 11 mm. The small, conical shell is carinated and umbilicated. it is whitish or corneous, marked above with zigzag radiating stripes (sometimes broken into dots) of sepia or black, below unicolored white or sparsely dotted with black. The peripheral carina is ornamented with a series of black spots.
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In this study they reported an average age of onset of 7.9 years. Frequently the rash first appeared in the spring or summer months and involved sun-exposed skin. The rash starts as a vesicular eruption, later becoming umbilicated, and resulted in vacciniform scarring. It is most frequently found on the nose, cheeks, ears, dorsum of the hand, and arms (places that are most exposed to light).
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The yellowish-white shell measures 10.2 mm and is one of the largest in this genus. It is very thin, broadly conic, umbilicated. It is marked by subobsolete, subequal, and subequally spaced spiral wrinkles, about fifteen of which may be seen on the body and base of the body whorl. In addition to these wrinkles, many faint, closely placed spiral and vertical grooves are present.
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The entire surface is marked by fine lines of growth and exceedingly numerous, very fine, wavy, spiral striations. In addition to these markings the whorls are covered by eight very slender, subequally spaced, obsolete threads between the sutures and four which are. considerably stronger and equally spaced on the base. The periphery and base of the body whorl are well rounded, the latter narrowly umbilicated.
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The shell is large for the genus Chloritis. It is brown, hairless, not completely flat, umbilicated. The ends of the peristome are connected with a thin callus. The width of the shell is 40–46 mm. The species was described from only one specimen (“ein tadellos erhaltenes Stück”), which is the holotype by monotypy, stored in the Staatliche Naturhistorische Sammlungen Dresden, Museum für Tierkunde, Dresden, Germany, number 10199.
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It is narrowly umbilicated, with a smooth epidermis, thin, but especially so on the base. The shell is more or less nacreous all over under a thin porcellanous upper layer. Sculpture: The first three whorls (after the embryonic apex) are reticulated by three sharp remote spirals, and rather stronger, slightly oblique longitudinals, which rise at their intersection into small sharp pyramidal tubercles. The interstices are a little broader than high.
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They are marked by five strong, well-rounded, equal and equally spaced spiral keels between the sutures, the first of which is at the summit. The spaces separating the keels are strongly incised, a little wider than the keels and crossed by numerous, slender retractive axial riblets. The periphery of the body whorl is marked by a keel. The base of the shell is somewhat protracted, well rounded, minutely umbilicated.
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The elongate-ovate shell is turreted, narrowly umbilicated, and creamy-white. The nuclear whorls are small, obliquely immersed in the first of the succeeding turns, above which only the tilted edge of the last volution projects. The five post-nuclear whorls are rather high between the sutures, shouldered at the summit, almost flattened below the shoulder. The spaces between the shoulders and the sutures appear as cylindrical elements.
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The base of the shell is slightly produced, well rounded, narrowly umbilicated. It is marked by the continuations of the axial ribs, which extend feebly almost to the umbilical region, and eight spiral threads, of which the first two below the periphery are as strong as those occurring on the spire, while the rest become successively weaker and more flat anteriorly. The aperture is ear-shaped. The posterior angle is decidedly channeled.
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The shell has moderate size for the genus, brown, without hairs, completely flat, umbilicated, the ends of the peristome connected with a thin callus. The width of the shell is 17–20 mm. The species is probably described after more than one specimen (a number is not given in the original description, but in the dimensions 10–11 mm is given for the shell height). The species has been never recorded again.
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The periphery and the base are well rounded, the latter broadly umbilicated and marked by 10 depressed spiral cords which are truncated posteriorly and slope gently anteriorly. The whole has the appearance of a series of imbricating bands. In addition to these, there are three cords in the umbilicus wider and stronger than those on the base. These cords are crossed by closely spaced riblets which give them a peculiarly notched appearance.
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The eight whorls of the teleoconch are well rounded, moderately constricted at the sutures and narrowly shouldered at the summit. They are marked by numerous slender wavy spiral striations and fine lines of growth which give the surface a somewhat malleated appearance. The periphery and the base of the body whorl are strongly rounded, the latter narrowly umbilicated, and marked like the spire. The aperture is large, broadly oval, slightly effuse anteriorly.
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The suture rather strongly constricted. The periphery of the body whorl is well rounded. The base of the shell is short and narrowly umbilicated. It is marked by the feeble continuations of the axial ribs, which become evanescent before reaching the middle of the base and seven equal incised spiral lines, of which the first three occupy about as much space as that separating the third from the fourth; the rest become successively closer spaced anteriorly.
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PDF (Original description W.H. Dall) Shell in general features recalling Gaza daedala, much of whose description would apply with little change to this species. The eight whorls are in the adult roundly shouldered below the suture, rounded at the periphery, somewhat flattened on the base, and deeply and widely umbilicated. The umbilicus is a little more than half covered by a nacreous callus. The first 2½ whorls are transparent, not nacreous, very obtuse with the nucleus not prominent.
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The shell has an orbicularly conical shape and is moderately umbilicated. It is rather solid and smooth but not glossy .The height and width of the shell are almost equal, with a maximum width of 1 cm. The pink or fawn shell shows dark purple and brown markings with a pattern of zig-zag brown lines, and with a few broad pure white flames descending from the sutures and interrupted on the keels with brownish red.
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The height of the shell attains 3.25 mm, its diameter 4.5 mm. The red-brown shell has a depressed-conical shape and is profoundly umbilicated. The five whorls show a microscopic sculpture of fine radial threads that overrun the spirals and are more apparent on the base. In colour it is variable, the figured example has walnut-brown radial flames on a grey ground, in others the flames are brick red and in some the flames break up into small chequers.
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They are marked by scarcely perceptible lines of growth, and here and there by a faint trace of some very fine microscopic spiral lines. The summit of succeeding whorls falls somewhat anterior to the periphery of the preceding turns, which gives a slightly constricted appearance at the well-impressed suture. The periphery of the body whorl is faintly angulated. The base of the shell is large, well rounded, narrowly umbilicated and somewhat effuse at the junction of the lip and columella.
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They are marked by strong, vertical axial ribs, of which 16 occur upon the second and third, 18 upon the fourth, 20 upon the fifth and sixth, and 26 upon the penultimate turn. The intercostal spaces are about twice as wide as the ribs, crossed by five slender spiral cords between the sutures, which render the ribs feebly nodulous at their junction. The sutures are strongly impressed. The periphery and the base of the body whorl are decidedly inflated, the latter narrowly umbilicated.
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The breast examination begins with a visual inspection. With the patient in a supine or seated position, the medical professional will look at both breasts to check the color, symmetry, dimensions according to age, lean body mass, the physiological (pregnancy and lactation) and race, looking for abnormalities, such as bulges and shrinkage. One of these abnormalities is changed in the areola or nipple. If it is flattened or retracted (umbilicated), it is necessary to consider the possibility of a cancerous lesion which has caused the malformation.
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Eczema vaccinatum is a rare severe adverse reaction to smallpox vaccination. It is characterized by serious local or disseminated, umbilicated, vesicular, crusting skin rashes in the face, neck, chest, abdomen, upper limbs and hands, caused by widespread infection of the skin in people with previous diagnosed skin conditions such as eczema or atopic dermatitis, even if the conditions are not active at the time. Other signs and symptoms include fever and facial and supraglottic edema. The condition may be fatal if severe and left untreated.
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The small shell measures 2.1 mm. It is umbilicated, elongate-ovate conic, semitransparent, polished. The 2½ whorls of the protoconch are moderately large, helicoid, elevated, about one-fifth immersed in the first of the succeeding whorls and having their axis at a right angle to them. The five whorls of the teleoconch are flattened, angulated at the periphery and weakly shouldered at the summit; the latter falls somewhat anterior to the periphery of the preceding whorl and lends to it a somewhat constricted appearance at the well-impressed suture.
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Warty dyskeratoma Warty dyskeratoma, also known as an Isolated dyskeratosis follicularis,Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. . is a benign epidermal proliferation with distinctive histologic findings that may mimic invasive squamous cell carcinoma and commonly manifests as an umbilicated (Having a central mark or depression resembling a navel) lesion with a keratotic plug, WD have some histopathologic similarities to viral warts but it's not caused by HPV and the majority of these lesions display overall histopathologic features consistent with a follicular adnexal neoplasm.
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They are marked by three strong lamellar keels between the sutures, of which the middle one is a little nearer to its anterior neighbor than to the posterior, the latter being about as far from the summit as it is from the median keel. The deep channels between the keels and the shoulders are crossed bv slender axial riblets which have a protractive slant on the shoulder and are decidedly retractive in the channels. The periphery of the body whorl is marked by a keel a little weaker than those between the sutures. The base of the shell is short, well rounded, narrowly umbilicated.
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