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n. pl. cor·ti·ces (-tĭ-sēz′) or cor·tex·es
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. Botany The region of tissue in a root or stem lying between the epidermis and the vascular tissue.
3. An external layer, such as bark or rind.
4. 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.

[Latin, bark; see sker- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


pl de cortex
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Taking in to account all these antecedents, the objective of the present study was to identify the possible changes induced by MSDB in the total cell counting of GFAP and non-GFAP cells, along different areas including motor cortices of the rat brain and to describe whether these changes were different between male and female groups, comparing all data with control groups.
The first cortical regions which receive the input from the outer world are the primary sensory cortices, such as the primary visual cortex (V1), the primary auditory cortex (A1), or the primary somatosensory cortex (S1).
Researchers used health data gathered during recent personal interviews with the subjects, and also analyzed data from MRI scans showing the current state of the subjects' brain cortices.
The outer layers of mammal brains are divided into regions called cortices. The visual cortex, for example, occupies the rear of the brain.
Body in mind; a new look at the somatosensory cortices.
To Shaw's surprise, the 7-year-olds with the highest IQ scores displayed slightly thinner cortices than their peers did.
We therefore ascertained that the lesion was a meningoencephalocele that had eroded the inner cortex of the pterygoid process of the sphenoid bone, filled the central portion of this bone, and significantly thinned the outer cortices.
We think that another part of that information is encoded in visual cortices. The visual cortices would respond when the stimulus is seen, then those responses would be changed by subsequent input from the prefrontal 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.