Nervous System Spinal Cord and Meninges

Question 1

spinal cord

Answer 1

column of nervous tissue extending from the medulla oblongata to the 2nd lumbar vertebra within the vertebral column

Question 2

cauda equine

Answer 2

(horse’s tail) a fan of nerve fibers

Question 3

the function of the spinal cord

Answer 3

carry all the nerves to and from the limbs and lower part of the body, and it is the pathway for impulses going to and from the brain

Question 4

gray matter

Answer 4

cell bodies and dendrites - no myelin sheaths

Question 5

white matter

Answer 5

nerve fiber tracts with myelin sheaths

Question 6

meninges

Answer 6

3 protective membranes that surround the brain and the spinal cord

Question 7

what are the 3 meninges?

Answer 7

dura mater, arachnoid membrane, pia mater

Question 8

dura mater

Answer 8

the thick, outermost layer of the meninges surrounding and protecting the brain and spinal cord “tough mother”. contains channels that contain blood

Question 9

subdural space

Answer 9

space below the dural membrane

Question 10

arachnoid membrane

Answer 10

the middle layer of the 3 membranes (meninges) that surround the brain and spinal cord. Loosley attached to the other meninges by web-like fibers, so there is space for fluid between the fibers and the 3rd membrane

Question 11

subarachnoid space

Answer 11

space below the arachnoid membrane contains CSF

Question 12

pia mater

Answer 12

the thin, delicate inner membrane of the meninges closes to the brain and spinal cord

Question 13

leptomeningeal

Answer 13

pertaining to the pia mater and arachnoid membranes