Question

The probable reason for the greyish appearance of the cerebral cortex is

• A. presence of bundles of axons in this reason
• B. the cell body of neuron possess myelin sheath
• C. the cell bodies of neuron are concentrated here
• D. all of the above

Answer 1

Answer: (C)

The central nervous system is made up of two types of tissue: the grey matter and the white matter. In the grey matter, these axons are mainly unmyelinated, meaning they are not covered by a whitish-colored, fatty protein called myelin.
The grey matter is mainly composed of neuronal cell bodies and unmyelinated axons