Nervous System 2-Spinal Cord, Spinal Nerves, and Meninges

Question 1

contains sensory neurons and dorsal root ganglion

Answer 1

dorsal root

Question 2

contains motor neurons

Answer 2

ventral root

Question 3

-processing center for spinal reflexes and synaptic integration

Answer 3

gray matter

Question 4

contains ascending(sensory) and descending(motor) tracts

Answer 4

white matter

Question 5

• most superficial layer of meninges
• tough membrane with an epidural space containing blood vessels, loose connective tissue, and adipose tissue
• contains CSF

Answer 5

dura matter

Question 6

adheres to the surface of the spinal cord and brain

Answer 6

pia matter

Question 7

membranes surrounding the entire CNS

Answer 7

meniges

Question 8

between the middle arachnoid matter and the pia matter

Answer 8

subarachnoid space

Question 9

bulge in the spinal cord that gives off nerves to the upper limbs

Answer 9

cervical enlargement

Question 10

bulge in the spinal cord that gives off nerves to the lower limbs

Answer 10

lumbar enlargement

Question 11

groove the extends the length of the spinal cord posteriorly

Answer 11

posterior median sulcas

Question 12

resemble upper wings of a butterfly

Answer 12

horns

Question 13

connects the gray matter to the left and right sides of the spinal cord

Answer 13

gray commisura

Question 14

contains CSF and is continuous with the cavities of the brain

Answer 14

central canal

Question 15

____ pairs of spinal nerves

Answer 15

8

Question 16

___ pairs of sacral nerves

Answer 16

5

Question 17

cervical spinal nerves pair C1 originates between the occipital bone and the ____

Answer 17

atlas

Question 18

spinal nerves L4-S5 form _____

Answer 18

sacral plexus

Question 19

the gray matter of the spinal cord is divided into anterior, lateral, and posterior _____

Answer 19

horns

Question 20

connections from pia matter to dura matter that anchor the spinal cord

Answer 20

denticulate ligaments

Question 21

inferior continuation of pia matter to the coccyx

Answer 21

dura matter

Question 22

outermost layer of the meninges

Answer 22

filum terminale

Question 23

follows irregular contours of spinal cord surface

Answer 23

pia matter

Question 24

contains CSF

Answer 24

subarachnoid space

Question 25

thin, weblike middle membrane

adheres to the inside of the dura matter

Answer 25

arachnoid mater

Question 26

separates dura mater from bone and vertebra or skull

Answer 26

epidural space