corticate
/kɔːrtɪˈkeɪt/Definitions
1. verb
to form or cover with a cortex, especially to form a layer of cells or tissue on the surface of something.
“The surgeon had to corticate the patient’s brain before performing the surgery.”
2. noun
the act or process of forming a cortex on something.
“The process of cortication is essential in the development of the brain.”