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cortex |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.04 sec. |
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cortex /cor·tex/ (kor´teks) pl. cor´tices [L.] the outer layer of an organ or other structure, as distinguished from its inner substance.cor´tical adrenal cortex the outer, firm layer comprising the larger part of the adrenal gland; it secretes many steroid hormones including mineralocorticoids, glucocorticoids, androgens, 17-ketosteroids, and progestins. cerebellar cortex , cortex cerebella´ris the superficial gray matter of the cerebellum. cerebral cortex , cortex cerebra´lis the convoluted layer of gray substance covering each cerebral hemisphere; see archicortex, paleocortex, and neocortex. cortex len´tis the softer, external part of the lens of the eye. motor cortex see under area. provisional cortex the cortex of the fetal adrenal gland that undergoes involution in early fetal life. renal cortex , cortex re´nis the outer part of the substance of the kidney, composed mainly of glomeruli and convoluted tubules. striate cortex the part of the occipital lobe of the cerebral cortex that is the primary receptive area for vision. cortex of thymus the outer part of each lobule of the thymus; it consists chiefly of closely packed lymphocytes (thymocytes) and surrounds the medulla. visual cortex the area of the occipital lobe of the cerebral cortex concerned with vision.
Cortex The thin convoluted surface of the brain comprised primarilyof cell bodies of neurons. Mentioned in: Brain Biopsy, Huntington Disease cortex the outer layer of a body organ or other structure, as distinguished from the internal substance. cortical, adj. cortex, n the outer layer of an organ or other structure. cortex, adrenal, n the outer layer of the adrenal gland, the site of secretion of the adrenocortical hormones. cortex, cerebral, n the outer gray matter of cerebrum, where many of the higher functions, such as volition, consciousness, conceptualization, and sensation, are carried out. cortex pl. cortices [L.] an outer layer, as the bark of the trunk or root of a tree, or the outer layer of an organ or other structure, as distinguished from its inner substance. adrenal cortex the outer, firm layer comprising the larger part of the adrenal gland; it secretes a number of hormones. See corticosteroid, aldosterone, mineralocorticoid, glucocorticoid. cerebellar cortex the superficial gray matter of the cerebellum. cerebral cortex, cortex cerebri the convoluted layer of gray matter covering each cerebral hemisphere. See also cerebral cortex. renal cortex the smooth-textured outer layer of the kidney, composed mainly of renal corpuscles and convoluted tubules, extending in columns between the pyramids. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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