The H-Shaped Mass in the Center of the Spinal Cord

Question

The H-shaped mass in the center of the spinal cord is dominated by ________.
A) large numbers of myelinated and unmyelinated axons
B) cell bodies of neurons and neuroglial cells
C) motor axons only
D) dura mater
E) connective tissue and blood vessels

Accepted Answer

The H-shaped mass in the center of the spinal cord is dominated by cell bodies of neurons and neuroglial cells. This region is known as the gray matter, contrasting with the surrounding white matter that contains myelinated and unmyelinated axons.