the spinal cord

Question 1

where is the white matter on the spinal cord

Answer 1

outer layer

Question 2

where is the grey matter on the spinal cord

Answer 2

centre

Question 3

what are the segments of the spinal cord

Answer 3

cervical
thoracic
lumbar
sacral
coccygeal

Question 4

how many pairs of nerves are there in total along the spinal cord

Answer 4

31

Question 5

how many nerves are in the cervical region of the spinal cord

Answer 5

8

Question 6

how many nerves are in the thoracic region of the spinal cord

Answer 6

12

Question 7

how many nerves are in the lumbar region of the spinal cord

Answer 7

5

Question 8

how many nerves are in the sacral region of the spinal cord

Answer 8

5

Question 9

how many nerves are in the coccygeal region of the spinal cord

Answer 9

1

Question 10

when does the spinal cord end

Answer 10

L2

Question 11

how is grey matter shaped

Answer 11

like a butterfly

Question 12

what is grey matter composed of

Answer 12

neuronal cell bodies

Question 13

what is white matter composed of

Answer 13

nerve axons

Question 14

what is the spinal cord wrapped in

Answer 14

the meninges

Question 15

what is the outermost meninge

Answer 15

dura mater

Question 16

what is the middle meninge

Answer 16

arachnoic matter

Question 17

what is the deepest meninge

Answer 17

pia mater

Question 18

what are the layers of the dura mater

Answer 18

periosteal and meningeal

Question 19

what is found between the layers of the dura mater

Answer 19

epidural space

Question 20

what is found between the arachnoid and pia mater

Answer 20

the arachnoid space

Question 21

what fills the arachnoid space

Answer 21

cerebrospinal fluid

Question 22

what does the dorsal horn contain neurons from

Answer 22

the somatosensory neurons which provide information from the body to be transmitted to the brain

Question 23

what does ventral horn matter contain

Answer 23

motor neurons which exit the spinal cord to innervate skeletal muscle

Question 24

which section of the spinal cord contains the neurons that innervate the visceral and pelvic organs

Answer 24

intermediate column and lateral horn

Question 25

where do preganglionic neurons leave the brain stem

Answer 25

ventral roots and motor cranial nerves

Question 26

where do post ganglionic axons leave sympathetic chain ganglia

Answer 26

via grey ramus communicans to enter a spinal nerve which then carries the axon out of the peripheral body with other sensory and motor neurons