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Cortex   /kˈɔrtɛks/   Listen
Cortex

noun
(pl. cortices)
1.
The layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum.  Synonyms: cerebral cortex, cerebral mantle, pallium.
2.
The tissue forming the outer layer of an organ or structure in plant or animal.
3.
The tissue that surrounds the lens nucleus.  Synonym: lens cortex.



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WordNet 3.0 © 2010 Princeton University


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"Cortex" Quotes from Famous Books



... handleless dumb-bell, is submitted as a demonstration that during voluntary movements of the eyes, and probably of the head as well, there is a moment in which stimulations are not transmitted from the retina to the cerebral cortex, that is, a moment of central anaesthesia. The reason for saying 'and probably of the head as well,' is that although the phenomena described are gotten equally well from movements of the head, yet it is not perfectly ...
— Harvard Psychological Studies, Volume 1 • Various
... realized his mistake. His Majesty hadn't been out. His Majesty had been with them all along—a four-foot, irregular sphere of grayish-white nerve matter and intricately wrinkled cortex dependent for movement on borrowed backs and legs—and was now peering at them out of the only pair of eyes in the termitary as though in doubt as to what to do ...
— The Raid on the Termites • Paul Ernst
... substance and white, or fibrous, substance. The greater part of the grey matter is situated as a layer on the outside of the cerebrum, or great brain, where it forms a rind from one twelfth to one eighth of an inch in thickness, known as the cortex. It is also found on the surface of the cerebellum. Diffuse masses of grey matter are likewise met in the other parts of the brain, and extending downward through the centre of the spinal cord. The function of the grey matter is to form centres to which the nerve fibres ...
— Ontario Normal School Manuals: Science of Education • Ontario Ministry of Education


Words linked to "Cortex" :   plant tissue, cerebrum, Golgi cell, archipallium, gray substance, crystalline lens, prefrontal lobe, medulla, cortical area, Golgi's cell, cortical, grey substance, grey matter, lens, substantia grisea, gray matter, cortical region, occipital lobe, frontal lobe, animal tissue, neopallium, parietal lobe, neural structure, temporal lobe, lens of the eye


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