Spinal Cord

Question 1

outermost layer of spinal meninges

Answer 1

dura mater

Question 2

middle layer of spinal meninges

Answer 2

arachnoid mater

Question 3

large space deep to arachnoid mater

Answer 3

subarachnoid space, filled with CSF

Question 4

adheres to the surface of the spinal cord

Answer 4

pia mater

Question 5

denticulate ligaments

Answer 5

pia mater channels that pierce through the arachnoid mater to anchor to the dura mater

Question 6

deep fissure on ventral

Answer 6

ventral median fissure

Question 7

indentation on dorsal

Answer 7

dorsal median sulcus

Question 8

dorsolateral sulcus

Answer 8

where dorsal gray horn indents

Question 9

dorsal rootlets insert into the …

Answer 9

… dorsolateral sulcus

Question 10

ventral rootlets insert into the …

Answer 10

… ventrolateral sulcus

Question 11

nerve cell bodies for motor neurons in the ventral rootlets are located in the …

Answer 11

… ventral horn of the spinal cord’s gray matter

Question 12

nerve cell bodies for the sensory neurons of the dorsal rootlets are located in the …

Answer 12

… lateral dorsal root ganglion of the spinal nerve

Question 13

spinal root make-up

Answer 13

dorsal roots (made up of dorsal rootlets), ventral roots
- runs for a very short distance before it splits into dorsal rami and ventral rami