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[From Latin cortex, cortic-, bark, rind; see cortex.]
cortico-or before a vowel
(Biology) indicating the cortex: corticotrophin.
n., pl. -ti•ces (-təˌsiz)
a. the outer region of a body organ or structure, as the outer portion of the kidney.
a. the portion of a plant stem or trunk between the epidermis and the vascular tissue; bark.
b. any outer layer, as rind.
3. the surface tissue layer of a fungus or lichen, composed of massed hyphal cells.
[1650–60; < Latin: bark, rind, shell, husk]