Masses of myelinated nerve fibers appear

A) gray.

B) white.

C) yellow

D) brown

E) transparent

B) white is a correct answer.

Explanation:

Masses of myelinated nerve fibers appear white

Myelin is rich in lipid, formed by the glial cells in the central nervous system and by the Schwann cells in the peripheral nervous system.

myelinated nerve fibers appear white because lipid content is very high which makes the myelin fiber white, myelinated nerve fiber is also called white matter.