The meaning of CORTEX is the outer or superficial part of an organ or bodily structure (such as the kidney, adrenal gland, or cerebellum or a bone); especially : cerebral cortex.

The brain & nervous system (Definition of cortex from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

In anatomy and zoology, the cortex (pl.: cortices) is the outermost, otherwise known as superficial, layer of an organ. Organs with well-defined cortical layers include kidneys, adrenal glands, ovaries, the …

anatomy the outer layer of any organ or part, such as the grey matter in the brain that covers the cerebrum ( cerebral cortex ) or the outer part of the kidney ( renal cortex )

the outer layer of an organ in the body, especially the brain. Definition of cortex noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, …

the outer layer of any organ or part, such as the grey matter in the brain that covers the cerebrum ( cerebral cortex) or the outer part of the kidney ( renal cortex)

1. a. the outer region of a body organ or structure, as the outer portion of the kidney. b. cerebral cortex. 2. a. the portion of a plant stem or trunk between the epidermis and the vascular tissue; bark. b. any …