The innermost delicate meningeal layer is the a. dura mater. b. corpus callosum. c. arachnoid mater. d. pia mater. The spinal cord feature associated with the leash of nerves supplying the upper limbs...

The innermost delicate meningeal layer is the

a. dura mater.

b. corpus callosum.

c. arachnoid mater.

d. pia mater.

The spinal cord feature associated with the leash of nerves supplying the upper limbs is the

a. brachial plexus.

b. brachial enlargement.

c. cervical enlargement.

d. lateral gray horns.