| superior mesenteric plexus | An autonomic plexus, a continuation of the abdominal aortic plexus, sending nerves to the intestines and forming with the vagus the subserous, myenteric, and submucous plexus's; this periarterial plexus is so dense that it results in the appearance of a characteristic perivascular "collar" distinguishing the superior mesenteric artery from the superior mesenteric vein in several imaging modalities such as with ultra sound. Synonym: plexus mesentericus superior. (05 Mar 2000) |
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| superior mesenteric vein | <anatomy, vein> Begins at the ileum in the right iliac fossa, ascends in the root of the mesentery, and unites behind the pancreas with the splenic vein to form the hepatic portal vein. Synonym: vena mesenterica superior. (05 Mar 2000) |
| inferior mesenteric artery | <anatomy, artery> Origin, abdominal aorta; branches, left colic, sigmoid, superior rectal; anastomoses, middle colic and middle rectal. Synonym: arteria mesenterica inferior. (05 Mar 2000) |
| inferior mesenteric ganglion | The lowest of the sympathetic prevertebral ganglia, located at the origin of the inferior mesenteric artery from the aorta and containing the sympathetic neurons innervating the descending and sigmoid colon. Synonym: ganglion mesentericum inferius. (05 Mar 2000) |
| inferior mesenteric plexus | An autonomic plexus, derived from the abdominal aortic plexus, surrounding the inferior mesenteric artery and sending branches to the descending colon, sigmoid, and rectum. Synonym: plexus mesentericus inferior. (05 Mar 2000) |
| inferior mesenteric vein | <anatomy, vein> A continuation of the superior rectal vein at the brim of the pelvis, ascending to the left of the aorta behind the peritoneum and emptying into the splenic vein or into the superior mesenteric vein or rarely in the angle between these veins. Synonym: vena mesenterica inferior. (05 Mar 2000) |
| ala central lobule | The lateral winglike projection of the central lobule of the cerebellum. Synonym: ala lobuli centralis, ala cerebelli. (05 Mar 2000) |
| anterior central convolution | Bounded posteriorly by the central sulcus and anteriorly by the precentral sulcus. Synonym: gyrus precentralis, anterior central convolution, anterior central gyrus, ascending frontal convolution, ascending frontal gyrus. (05 Mar 2000) |
| anterior central gyrus | Bounded posteriorly by the central sulcus and anteriorly by the precentral sulcus. Synonym: gyrus precentralis, anterior central convolution, anterior central gyrus, ascending frontal convolution, ascending frontal gyrus. (05 Mar 2000) |
| anterolateral central arteries | Numerous small branches from the sphenoidal part of the middle cerebral arteries supplying the lateral and anterior parts of the corpus striatum. Synonym: arteriae centrales anterolaterales, arteriae thalamostriatae anterolaterales, anterolateral central arteries, anterolateral striate arteries, anterolateral thalamostriate arteries, arteries of cerebral haemorrhage, lenticulostriate arteries. (05 Mar 2000) |
| anteromedial central arteries | Several small branches of the precommunical part of the anterior cerebral artery; they are distributed to the anteromedial part of the corpus striatum part of the thalamus. Synonym: arteriae centrales anteromediales, arteriae thalamostriatae anteromediales, anteromedial thalamostriate arteries. (05 Mar 2000) |
| anteromedial central branches | Branches of the anterior communicating artery which supply part of the hypothalamus. Synonym: rami centrales anteromediales. (05 Mar 2000) |
| artery of central sulcus | <anatomy, artery> A branch of the terminal part of the middle cerebral artery distributed to the cortex on either side of the central sulcus. Synonym: arteria sulci centralis, artery of central sulcus, central artery, Rolandic artery. (05 Mar 2000) |
| asia, central | The geographical area of asia comprising kazakhstan, kyrgyzstan, tajikistan, turkmenistan, and uzbekistan. The desert region of kara kum (qara qum) is largely in turkmenistan and the desert region of kyzyl kum (kizil kum or qizil qum), is in uzbekistan and kazakhstan. (12 Dec 1998) |
| auditory diseases, central | Diseases of the auditory pathways from the bulbar cochlear nuclei to the auditory cortex in the temporal lobe. Structures involved include the medial and lateral lemnisci, inferior colliculus, and the medial geniculate nucleus. (12 Dec 1998) |