cortex

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cortex

 [kor´teks] (pl. cor´tices) (L.)
the outer layer of an organ or other structure, as distinguished from its inner substance or medulla. adj., adj cor´tical.
adrenal cortex (cortex of adrenal gland) the outer, firm layer comprising the larger part of the adrenal gland; it secretes mineralocorticoids, androgens, and glucocorticoids.
cerebellar cortex the superficial gray matter of the cerebellum.
cerebral cortex (cortex cerebra´lis) the convoluted layer of gray matter covering each cerebral hemisphere. See also brain.
renal cortex the granular outer layer of the kidney, composed mainly of glomeruli and convoluted tubules, extending in columns between the pyramids that constitute the renal medulla.
striate cortex part of the occipital lobe that receives the fibers of the optic radiation and serves as the primary receiving area for vision. Called also first visual area.
visual cortex the area of the occipital lobe of the cerebral cortex concerned with vision; the striate cortex is also called the first visual area, and the adjacent second and third visual areas serve as its association areas.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

cor·tex

, gen.

cor·ti·cis

, pl.

cor·ti·ces

(kōr'teks, -ti-sis, -ti-sēz), [TA]
The outer portion of an organ, such as the kidney, as distinguished from the inner, or medullary, portion.
[L. bark]
Farlex Partner Medical Dictionary © Farlex 2012

cortex

(kôr′tĕks′)
n. pl. cor·tices (-tĭ-sēz′) or cor·texes
1. Anatomy
a. The outer layer of an internal organ or body structure, as of the kidney or adrenal gland.
b. The outer layer of gray matter that covers the surface of the cerebral hemisphere.
2. Cytology The region of the cytoplasm of a eukaryotic cell that lies just under the plasma membrane and contains a network of actin filaments and associated proteins that determine the shape of the cell.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

cor·tex

, pl. cortices (kōrteks, -ti-sēz) [TA]
The outer portion of an organ, such as the kidney, as distinguished from the inner, or medullary, portion.
[L. bark]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

cortex

The outer distinguishable zone of any solid organ. The cerebral cortex, for instance, is the outer layer of grey matter of the brain consisting of nerve cell bodies. The adrenal cortex is quite different in function from the inner part.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

cortex

an outer zone of any organ or part, as in the mammalian kidney and brain, or the layer of plant tissue outside the VASCULAR BUNDLES but inside the epidermis.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Cortex

The thin convoluted surface of the brain comprised primarilyof cell bodies of neurons.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

cor·tex

, pl. cortices (kōrteks, -ti-sēz) [TA]
The outer portion of an organ, as distinguished from the inner, or medullary, portion.
[L. bark]
Medical Dictionary for the Dental Professions © Farlex 2012