The median arcuate ligament is formed by the right and left crura of the diaphragm. The crura connect to form an arch, behind which is the aortic hiatus, through which pass the aorta, the azygos vein, and the thoracic duct.
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The fornix splits into two columns at the front (anterior pillars), and then splits into two posterior crura. These two crura are joined together through the hippocampal commissure. The beginning of the splitting is called the psalterium or Lyra Davidis. The latter name is used because the structure resembles a lyra (or triangular harp): The two crura are the "chassis" of the lyra, and the commissure connections are the fibers.
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Each clitoral crus connects to the rami of the pubis and the ischium. During sexual arousal, the crura become engorged with blood, as does all of the erectile tissue of the clitoris. The clitoral crura are each covered by an ischiocavernosus muscle.
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The crura are the proximal portions of the arms of the wishbone. Ending at the glans of the clitoris, the tip of the body bends anteriorly away from the pubis. Each crus (singular form of crura) is attached to the corresponding ischial ramus – extensions of the copora beneath the descending pubic rami. Concealed behind the labia minora, the crura end with attachment at or just below the middle of the pubic arch.
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It is found within the aponeurosis of the external oblique, immediately above the pubic crest, 1 centimeter above and superolateral to the pubic tubercle. It has the following boundaries—medial crura by pubic crest, lateral crura by pubic tubercle and inferiorly by inguinal ligament.
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Shows the sub-areas of the clitoris. Areas include clitoral glans, body, crura. Also shows vestibular bulbs and corpora cavernosa The clitoral crura (singular: clitoral crus) are two erectile tissue structures, which together form a V-shape. Crus is a Latin word that means "leg".
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Each "leg" of the V converges on the clitoral body. At each divergent point is a corpus cavernosum of clitoris. The crura are attached to the pubic arch, and are adjacent to the vestibular bulbs. The crura flank the urethra, urethral sponge, and vagina and extend back toward the pubis.
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The median arcuate ligament is a ligament under the diaphragm that connects the right and left crura of diaphragm.
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The antihelix (anthelix) is a part of the visible ear; the pinna. The antihelix is a curved prominence of cartilage parallel with and in front of the helix on the pinna. The antihelix divides above into two legs or crura; the crura antihelicis, between which is a triangular depression, the fossa triangularis.
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The medial crura are attached to the septal cartilage, forming fleshy parts at the front of the nostrils on each side of the septum, called the medial crural footpods. The medial crura meet at the midline below the end of the septum to form the columella and lobule. The lobule contains the tip of the nose and its base contains the nostrils. At the peaks of the folds of the medial crura, they form the alar domes the tip- defining points of the nose, separated by a notch.
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Little skates are more active at night and spend much of the day buried in sediment, usually near specific landscape features such as depressions excavated by other animals. They employ a curious mode of locomotion, dubbed "punting" by the first scientists to document it, to move over the sea floor. The forward lobes of the pelvic fins are modified into leg-like structures called "crura" (singular "crus"), containing three flexible joints and modified skeletal and muscular elements. The little skate pushes off the substrate with both crura and then glides a short distance on its wings while repositioning the crura for the next push.
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Moderate pedicle of this taxa is collar and callist. Teeth of species members are thick and stubby. Crural bases are small and relatively thin, non- feathered crura. Spiralia has at least 10 dorsomedially whorls.
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The intercrural fibers (intercolumnar fibers) are a series of curved tendinous fibers, which arch across the lower part of the aponeurosis of the Obliquus externus, describing curves with the convexities downward. They have received their name from stretching across between the two crura of the subcutaneous inguinal ring, and they are much thicker and stronger at the inferior crus, where they are connected to the inguinal ligament, than superiorly, where they are inserted into the linea alba. The intercrural fibers increase the strength of the lower part of the aponeurosis, and prevent the divergence of the crura from one another; they are more strongly developed in the male than in the female.
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Clitoris; deep dissection The clitoris contains external and internal components. It consists of the glans, the body (which is composed of two erectile structures known as the corpora cavernosa), and two crura ("legs"). It has a hood formed by the labia minora (inner lips). It also has vestibular or clitoral bulbs.
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About one tenth of the entire length of the worm, the esophagus then divides into intestinal crura, which extends further posteriorly. The cruca is divided into pouches, which extend between vitellaria. Vitallaria are glands that secrete yolk around the egg. This digestive pathway is observed to be continuous throughout the entire worm.
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The crus of diaphragm (pl. crura), refers to one of two tendinous structures that extends below the diaphragm to the vertebral column. There is a right crus and a left crus, which together form a tether for muscular contraction. They take their name from their leg-shaped appearance – crus meaning leg in Latin.
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Shows the sub-areas of the clitoris. Areas include clitoral glans, body, crura. Also shows vestibular bulbs and corpora cavernosa The two corpora cavernosa are expandable erectile tissues which fill with blood during clitoral erection. These formations are made of a sponge-like tissue containing irregular blood-filled spaces lined by endothelium and separated by connective tissue septa.
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The middle suprarenal arteries (middle capsular arteries; suprarenal arteries) are two small vessels which arise, one from either side of the abdominal aorta, opposite the superior mesenteric artery. They pass laterally and slightly upward, over the crura of the diaphragm, to the suprarenal glands, where they anastomose with suprarenal branches of the inferior phrenic and renal arteries.
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They have a second set of pelvic fins called crura on the ventral side near the base of their tale that they use to in tandem to push along the substrate while their disk remains inactive. This style of locomotion is known as punting and is very similar to walking as the force appears to be generated from direct contact with the ground. They are able to execute asynchronous movements with their crura to make turns which negates the need to bank during turns, which may provide stealth benefits in addition to the reduced water movement. From muscle fiber analysis it appears that punting may be a primary mode of transportation at low speeds (about 1/3 Body lengths per second) in some skates and rajiform locomotion may be used when for specific situations.
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The glands are yellowish in colour. The adrenal glands are surrounded by a fatty capsule and lie within the renal fascia, which also surrounds the kidneys. A weak septum (wall) of connective tissue separates the glands from the kidneys. The adrenal glands are directly below the diaphragm, and are attached to the crura of the diaphragm by the renal fascia.
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The Nissen fundoplication procedure consists of a 360 degree transabdominal fundoplication. A fundoplication is the suturing of the fundus located in the stomach and around the esophagus. The procedure itself is performed with the patient in a low lithotomy position at approximately 25 degrees. After the esophagus is mobilized, the crura is moved posteriorly using sutures to make room for a French bougie.
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The stomach produces gastric acid, a strongly acidic mixture consisting of hydrochloric acid (HCl) and potassium and sodium salts to enable food digestion. Constriction of the upper and lower esophageal sphincters helps to prevent reflux (backflow) of gastric contents and acid into the esophagus, protecting the esophageal mucosa. The acute angle of His and the lower crura of the diaphragm also help this sphincteric action.
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Red-figure Greek illustration of intercrural sex between a winged god (Eros or Zephyrus) and a youth (perhaps Hyacinthus) Intercrural sex (from inter- and Latin crura, "legs"), also known as femoral/interfemoral sex, is a type of non-penetrative sex, where the penis is placed between the receiving partner's thighs (often with lubrication)"interfemoral intercourse", Dictionary of Sexual Terms, Sex-Lexis.com. and thrusts to create friction.
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The cerebral crus (crus cerebri) is the anterior portion of the cerebral peduncle which contains the motor tracts, travelling from the cerebral cortex to the pons and spine. The plural of which is cerebral crura. It forms the majority of the basis pedunculi in the midbrain. In some older texts this is called the cerebral peduncle but presently it is usually limited to just the anterior white matter portion of it.
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They then fold outwards, above and to the side of the nostrils forming the lateral crura. The major alar cartilages are freely moveable and can respond to muscles to either open or constrict the nostrils. There is a reinforcing structure known as the nasal scroll that resists internal collapse from airflow pressure generated by normal breathing. This structure is formed by the junction between the lateral and major cartilages.
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The depressed area between the crura is termed the interpeduncular fossa, and consists of a layer of gray matter, the posterior perforated substance, which is pierced by small apertures for the transmission of blood vessels; its lower part lies on the ventral aspect of the medial portions of the tegmenta, and contains a nucleus named the interpeduncular ganglion; its upper part assists in forming the floor of the third ventricle.
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The triangular fossa dips within the Y-arms of the superior and inferior crura. The corrugated contours of these auricular crests and valleys provide a pillar effect (support) that stabilizes the pinna. The vertical walls of the conchal cup translate to a semi-horizontal plane as the concha merges with the folded crest of the antihelix. The scapha–helix is nearly parallel to the plane of the temporal surface of the head.
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Located at the anterior part of the worm is the funnel-shaped mouth that is connected to the pharynx which is larger than the buccal suckers, followed by the long wide oesophagus esophagus that is smaller in diameter compared to the pharynx. The esophagus then divides into intestinal crura, which extends further posteriorly. The cruca is divided into pouches, which extend between vitellaria. Vitallaria are glands that secrete yolk around the egg.
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Duret haemorrhages are haemorrhages secondary to raised intracranial pressure with formation of a transtentorial pressure cone involving the front part of the cerebral peduncles, the cerebral crura. Increased pressure above the tentorium may also involve other midbrain structures. Kernohan's notch is a groove in the cerebral peduncle which may be caused by this displacement of the brainstem against the tentorial incisure. The resulting ipsilateral hemiparesis is a false localising sign,Collier, J. The false localizing signs of intracranial tumour.
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In the fifth month the membrane degenerates but leaves a remnant called the hymen. Organs in the male and female with a shared common ancestry are said to be homologous. The clitoral glans is homologous to the male glans penis, and the clitoral body and the clitoral crura are homologous to the corpora cavernosa of the penis. The labia majora is homologous to the scrotum; the clitoral hood is homologous to the foreskin, and the labia minora is homologous to the spongy urethra.
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Vagit infans inter arta conditus praesaepia, membra pannis involuta virgo mater adligat, et pedes manusque crura stricta pingit fascia. Lustra sex qui iam peracta tempus implens corporis, se volente, natus ad hoc, passioni deditus, agnus in crucis levatur immolandus stipite. Hic acetum, fel, arundo, sputa, clavi, lancea; mite corpus perforatur; sanguis, unda profluit, terra pontus astra mundus quo lavantur flumine. Crux fidelis, inter omnes arbor una nobilis, nulla talem silva profert flore, fronde, germine, dulce lignum dulce clavo dulce pondus sustinens.
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The nasal bones in the upper part of the nose are joined together by the midline internasal suture. They join with the septal cartilage at a junction known as the rhinion. The rhinion is the midpoint of the internasal suture at the join with the cartilage, and from the rhinion to the apex, or tip, the framework is of cartilage. The major alar cartilages are thin, U-shaped plates of cartilage on each side of the nose that form the lateral and medial walls of the vestibule, known as the medial and lateral crura.
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The third, called the corpus spongiosum, is a tube that lies centrally beneath the others and expands at the end to form the tip of the penis (glans). The raised rim at the border of the shaft and glans is called the corona. The urethra runs through the shaft, providing an exit for sperm and urine. The root consists of the expanded ends of the cavernous bodies, which fan out to form the crura and attach to the pubic bone and the expanded end of the spongy body (bulb).
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The crura are also used as pivots when the skate needs to turn. Research proposes that the locomotion is akin to that found in land vertebrates and thus puts the evolution of the underlying genes 20 million years earlier. It has been speculated that using the pelvic fins in this manner assists in hunting, by reducing water turbulence that might alert the prey or distort the ray's electroreception. The tail of the little skate contains an electric organ that intermittently generates a weak electric field (the electric organ discharge or EOD).
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The celiac ganglia or coeliac ganglia are two large irregularly shaped masses of nerve tissue in the upper abdomen. Part of the sympathetic subdivision of the autonomic nervous system (ANS), the two celiac ganglia are the largest ganglia in the ANS, and they innervate most of the digestive tract. They have the appearance of lymph glands and are placed on either side of the midline in front of the crura of the diaphragm, close to the suprarenal glands (also called adrenal glands). The ganglion on the right side is placed behind the inferior vena cava.
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A fragment from Sallust's Histories omits mention of Catiline in describing the death: Gratidianus "had his life drained out of him piece by piece, in effect: his legs and arms were first broken, and his eyes gouged out."Sallust, Histories 1.44M: ut in M. Mario, cui fracta prius crura brachiaque et oculu effossi, scilicet ut per singulos artus expiraret. A more telling omission is that the execution of Gratidianus is not among Sallust's allegations against Catiline in his Bellum Catilinae ("The War of Catiline").Jane W. Crawford, M. Tullius Cicero.
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He is best remembered for his work on the cranial nerves. He was the first to examine the brain from its base upwards, in contrast with previous dissections which had been performed from the top downwards. In 1573 he published this new method of dissecting the brain whereby he separated the brain from the skull and began the dissection from the base. Varolio described many of the brain's structures for the first time including the pons or pons Varolii which is a reflex center of respiration and a communication bridge between spinal cord and brain, the crura cerebri and the ileocecal valve.
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150px140px Side views (sagittal plane) of the descending aorta and two of its branches, the celiac trunk and superior mesenteric artery, demonstrate normal and MALS anatomy. Left The median arcuate ligament is normally several millimeters to centimeters superior to the origin of the celiac artery. Right In MALS, the ligament is anterior, rather than superior, to the celiac artery, resulting in compression of the vessel and a characteristic hook-shaped contour. The median arcuate ligament is a ligament formed at the base of the diaphragm where the left and right diaphragmatic crura join near the 12th thoracic vertebra.
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The septal nasal cartilage (cartilage of the septum or quadrangular cartilage) is composed of hyaline cartilage. It is somewhat quadrilateral in form, thicker at its margins than at its center, and completes the separation between the nasal cavities in front. Its anterior margin, thickest above, is connected with the nasal bones, and is continuous with the anterior margins of the lateral cartilages; below, it is connected to the medial crura of the major alar cartilages by fibrous tissue. Its posterior margin is connected with the perpendicular plate of the ethmoid; its inferior margin with the vomer and the palatine processes of the maxillae.
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The vestibular bulbs are more closely related to the clitoris than the vestibule because of the similarity of the trabecular and erectile tissue within the clitoris and bulbs, and the absence of trabecular tissue in other genital organs, with the erectile tissue's trabecular nature allowing engorgement and expansion during sexual arousal. The vestibular bulbs are typically described as lying close to the crura on either side of the vaginal opening; internally, they are beneath the labia majora. When engorged with blood, they cuff the vaginal opening and cause the vulva to expand outward. Although a number of texts state that they surround the vaginal opening, Ginger et al.
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The sacrum is depicted with its left side facing upwards on the quarry map, but this might have been an error because the left side of the sacrum is damaged and the left ilium is missing. The elements of the left and right crura were found in close association. Dorsal rib fragments were scattered across the quarry area. In sum, some degree of dispositioning occurred to HBV-20001 before or during burial, resulting in loss and disarticulation of some elements, but the disposition, overall agreement in size, and lack of duplication of bones suggests the presence of a single sauropod individual at this locality.
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The crura (posterior pillars) of the fornix are prolonged backward from the body. They are flattened bands, and, at their commencement, are intimately connected with the under surface of the corpus callosum. Diverging from one another, each curves around the posterior end of the thalamus, and passes downward and forward into the temporal horn of lateral ventricle. Here, it lies along the concavity of the hippocampus, on the surface of which some of its fibers are spread out to form the alveus, while the remainder is continued as a narrow white band, the fimbria of hippocampus, which is prolonged into the uncus of the parahippocampal gyrus.
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A 1992 study concluded that the total clitoral length, including glans and body, is , where 16 mm is the mean and 4.3 mm is the standard deviation. Concerning other studies, researchers from the Elizabeth Garrett Anderson and Obstetric Hospital in London measured the labia and other genital structures of 50 women from the age of 18 to 50, with a mean age of 35.6., from 2003 to 2004, and the results given for the clitoral glans were 3–10 mm for the range and 5.5 [1.7] mm for the mean. Other research indicates that the clitoral body can measure in length, while the clitoral body and crura together can be or more in length.
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For their anterior three-fourths the corpora cavernosa penis lie in intimate apposition with one another, but behind they diverge in the form of two tapering processes, known as the crura, which are firmly connected to the ischial rami. Traced from behind forward, each crus begins by a blunt-pointed process in front of the tuberosity of the ischium, along the perineal surface of the conjoined (ischiopubic) ramus. Just before it meets its fellow it presents a slight enlargement, named by Georg Ludwig Kobelt (1804–1857) the bulb of the corpus cavernosum penis. Beyond this point the crus undergoes a constriction and merges into the corpus cavernosum proper, which retains a uniform diameter to its anterior end.
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The celiac plexus or coeliac plexus, also known as the solar plexus because of its radiating nerve fibers, is a complex network of nerves (a nerve plexus) located in the abdomen, near where the celiac trunk, superior mesenteric artery, and renal arteries branch from the abdominal aorta. It is behind the stomach and the omental bursa, and in front of the crura of the diaphragm, on the level of the first lumbar vertebra. The plexus is formed in part by the greater and lesser splanchnic nerves of both sides, and fibers from the anterior and posterior vagal trunks. The celiac plexus proper consists of the celiac ganglia with a network of interconnecting fibers.
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Anatomy of the vulva, showing the clitoral glans, clitoral crura, corpora cavernosa, vestibular bulbs, and vaginal and urethral openings The procedures are generally performed by a traditional circumciser (cutter or exciseuse) in the girls' homes, with or without anaesthesia. The cutter is usually an older woman, but in communities where the male barber has assumed the role of health worker he will also perform FGM.UNICEF 2013, 42–44 and table 5, 181 (for cutters), 46 (for home and anaesthesia). When traditional cutters are involved, non-sterile devices are likely to be used, including knives, razors, scissors, glass, sharpened rocks and fingernails. According to a nurse in Uganda, quoted in 2007 in The Lancet, a cutter would use one knife on up to 30 girls at a time.
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They state that the clitoral glans and labia minora have blood vessels that are dispersed within a fibrous matrix and have only a minimal amount of smooth muscle, or that the clitoral glans is "a midline, densely neural, non-erectile structure". Other descriptions of the glans assert that it is composed of erectile tissue and that erectile tissue is present within the labia minora. The glans may be noted as having glandular vascular spaces that are not as prominent as those in the clitoral body, with the spaces being separated more by smooth muscle than in the body and crura. Adipose tissue is absent in the labia minora, but the organ may be described as being made up of dense connective tissue, erectile tissue and elastic fibers.
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Structures of the vulva, including external and internal parts of the clitoris The clitoral body forms a wishbone-shaped structure containing the corpora cavernosa – a pair of sponge-like regions of erectile tissue which contain most of the blood in the clitoris during clitoral erection. The two corpora forming the clitoral body are surrounded by thick fibro-elastic tunica albuginea, literally meaning "white covering", connective tissue. These corpora are separated incompletely from each other in the midline by a fibrous pectiniform septum – a comblike band of connective tissue extending between the corpora cavernosa. The clitoral body extends up to several centimeters before reversing direction and branching, resulting in an inverted "V" shape that extends as a pair of crura ("legs").
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The fornix is a C-shaped bundle of axons that begins in the hippocampal formation of both hemispheres, referred to as the fimbria, and extend through the crus of fornix, also known as the posterior pillars. The fimbria section of the fornix is directly connected to the alveus, which is a portion of the hippocampal formation that arises from the subiculum and the hippocampus (specifically the CA1). Both crura of the fornix form intimate connections with the underside of the corpus callosum and support the hippocampal commissure, a large bundle of axon that connects the left and right hippocampal formations. The fornix plays a key role in hippocampal outputs, specifically in connecting CA3 to a variety of subcortical structures, and connecting CA1 and the subiculum to a variety of parahippocampal regions, via the fimbria.
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The vaginal walls contain significantly fewer nerve endings than the clitoris (which has many nerve endings specifically intended for orgasm), and therefore intense sexual pleasure, including orgasm, from vaginal sexual stimulation is less likely to occur than from direct clitoral stimulation in the majority of women. The clitoris is composed of more than the externally visible glans (head). The vagina, for example, is flanked on each side by the clitoral crura, the internal legs of the clitoris, which are highly sensitive and become engorged with blood when sexually aroused. Indirect stimulation of the clitoris through anal penetration may be caused by the shared sensory nerves, especially the pudendal nerve, which gives off the inferior anal nerves and divides into the perineal nerve and the dorsal nerve of the clitoris.
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The body of the penis extends from the root to the ends of the corpora cavernosa penis, and in it these corpora cavernosa are intimately bound to one another with a dorsally fenestrated septum which becomes a complete one before penile crura. It is surrounded by a bi-layered model of tunica albuginea in which a distal ligament buttresses the glans penis and plays an integral role to the penile fibroskeleton, and the structure is called "os analog," a term coined by Geng Long Hsu in the Encyclopedia of Reproduction. This indispensable structure is a continuation of the body of human penis, differing from other mammalian penis, in that it has no baculum (or erectile bone) and instead relies exclusively on engorgement with blood to reach its erect state. It is a remnant of baculum evolved likely due to change in mating practice.
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The cerebral crura are the main tracts descending from the thalamus to caudal parts of the central nervous system; the central and medial ventral portions contain the corticobulbar and corticospinal tracts, while the remainder of each crus primarily contains tracts connecting the cortex to the pons. Older texts refer to the crus cerebri as the cerebral peduncle; however, the latter term actually covers all fibres communicating with the cerebrum (usually via the diencephalon), and therefore would include much of the tegmentum as well. The remainder of the crus pedunculi – small regions around the main cortical tracts – contain tracts from the internal capsule. The portion of the lobes in connection with the tegmentum, except the most lateral portion, is dominated by a blackened band – the substantia nigra (literally black substance) – which is the only part of the basal ganglia system outside the forebrain.
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Delthyrium wide, trapezoidal; lateral cavities narrow; dental plates long, beyond hinge zone, slightly divergent toward ventral floor at posterior parts and becoming parallel anteriorly; teeth short, very strong and massive, with expanded ends and crenulations; accessory denticulars and dental cavities present. No septalium or septalial plates in dorsal valve; septum short, reduced anteriorly to form low ridge, running about 1/3 of valve length; hinge plates thick and narrow, tapering toward each other at posterior parts and becoming horizontal anteriorly; inner socket ridges lower but well demarcated from hinge plates; hinge plates tapering forward; crural bases narrow, but well formed, given off dorsally from inner margins of hinge plates; crura calcarifer, about 1/3 of dorsal valve length, posterior parts trigonal-shaped in sections and curved slightly ventrally at anterior parts, but not as distinctive as those in Rhynchonelloidella. The anatomical terms used in this description as defined by Williams and Brunton, 1997Williams, A., Brunton, C.H.C., and MacKinnon, D.I. 1997. Morphology. pp. 321-422. In: R. Kaesler (ed.): Treatise on Invertebrate Paleontology.
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