n.

1. 腦皮層
2. 皮層，皮質
   Among the human organs, the brain and the kidney are known to have large amounts of cortices.

   在人體的器官中，腦和腎都有大量的皮層。

3. 【植】厚皮，樹皮

n.

1. Anatomy  the outer layer of an organ or structure, such as a kidney or adrenal gland.
   ▸ (also cerebral cortex) the outer, folded layer of the cerebrum, which plays an important role in consciousness.
2. Botany  an outer layer of tissue immediately below the epidermis of a stem or root.