NEET PG DENTAL EXAM

Detailed explanation-1: -Your cerebral cortex, also called gray matter, is your brain’s outermost layer of nerve cell tissue. It has a wrinkled appearance from its many folds and grooves.

Detailed explanation-2: -Wrinkles also help larger brains keep their white matter fibers that link different areas of the cortex in order. As brains grow larger, white matter fibers must stretch longer. The wrinkles help keep these fibers packed more closely together: they are, Zimmer writes, “a natural result of a bigger brain.”