Cortex /(kôr"tĕks)/

Cor·tex

Cortex

n.

pl. Cortices ((-t-sz))

  1. Bark, as of a tree; hence, an outer covering.
  2. Bark; rind; specifically, cinchona bark. (Med.)
  3. The outer or superficial part of an organ; as, the cortex or gray exterior substance of the brain. (Anat.)