cortex


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Related to cortex: cerebral cortex

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.

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]

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.

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]

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.

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.

Cortex

The thin convoluted surface of the brain comprised primarilyof cell bodies of neurons.

cor·tex

, pl. cortices (kōrteks, -ti-sēz) [TA]
The outer portion of an organ, as distinguished from the inner, or medullary, portion.
[L. bark]
References in periodicals archive ?
Calgary-based Cortex offers solutions aimed at bolstering efficiencies, limiting costs and streamlining procurement and supply chain processes for its customers.
Cortex is supplied free-of-charge with any order or can be downloaded.
Animals lower on the evolutionary chain, such as zebra finches and platypuses, have nearly smooth cortexes. Large-brained mammals such as whales, dogs, and apes have corrugated brains somewhat like those of humans.
In the occipital cortex and midbrain, there were smaller cells (reduced total protein/DNA ratio) and a corresponding increase in cell packing density (DNA concentration), features that are likely to reflect neuronal damage and "reactive gliosis," that is, replacement with smaller, glial cells (O'Callaghan 1988, 1993; Roy et al.
He speculates as to why vision, hearing, and other senses are (normally) experienced as qualitatively distinct, even though their inputs are all converted into patterns in the cortex. The answer, he suggests, might involve the diverse connections between the cortex and other parts of the brain.
Hearing loss often occurs with acute tinnitus, whereas chronic tinnitus may be the result of a central auditory dysfunction or a cortex reorganization.
"The area of the brain that we recorded from, the prefrontal cortex, is only one component of a widely distributed neural system for encoding this information.
This adds to our portfolio of molecules covered by patents issued to Cortex and the University of California (Irvine, CA) who has licensed their related patents exclusively to Cortex.
There is activation in the anterior hemispheric fissure region, the precentral cortex bilaterally near the vertex, tiny amounts in both posteroinferior parietal regions, small amounts in both anterolateral frontal cortices, and prominent amounts in both posteroinferior frontal regions.
They also found that that they are also likely to experience delay in the development of the auditory cortex, a brain region essential to hearing and understanding sound.
A new study shows that the piriform cortex, a part of the olfactory brain, is involved in the process of saving those memories; the mechanism, however, only works in interaction with other brain areas.
Samsung's 2017 versions of Mongoose cores and Qualcomm's newest Kryo designs are based on a custom Cortex A73/72 design, while the low power Kryo cores on Qualcomm's new Snapdragon 660 chipset are based on ARM's Cortex A53 designs.