cortex meaning and definition

CORTEX noun

Definition of cortex (noun)

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
   • antonym: medulla
3. the tissue that surrounds the lens nucleus
   • synonyms: lens cortex