ORIGIN SPINAL CORD MODEL (copy)

1

gray matter, contains motor and interneuron cell bodies for processing signals

2

anterior horn, cell bodies involved in reflexes

3

lateral horn, contains motor neurons involved in autonomic functions

4

gray commissure, allows communication between two sides of gray matter

7

white matter, conducts nerve impulses along spinal cord

8

anterior median fissure, divides spinal cord into two anterior sections

9

posterior median sulcus, divides spinal cord into two posterior sections

11

posterior horn, cell bodies involved in reflexes

12

gray matter, contains motor and interneuron cell bodies for processing signals

14

gray commissure, allows communication between two sides of gray matter

15

central canal, transmits CSF along spinal cord

16

white matter, conducts nerve impulses along spinal cord

17 (on left)

anterior horn, cell bodies involved in reflexes

18

lateral horn, contains motor neuron cell bodies involved in autonomic functions

19

anterior median fissure, divides spinal cord into two anterior sections

20

posterior median sulcus, divides spinal cord into two posterior sections

21

dorsal root ganglion, houses sensory cell bodies

22

anterior funiculus, carries motor information from brain to spinal cord

23

lateral funiculus, transmits sensory information to brain and motor information from brain

24

posterior funiculus, carries sensory information from spinal cord to brain

25

dorsal root, carries sensory information from peripheral receptors to spinal cord

26

ventral root, carries motor information from spinal cord to muscles

27

spinal nerve, carries sensory information into spinal cord and motor information out to muscles

6

posterior lateral sulcus, area where dorsal portion of spinal nerves enter the spinal cord

10a + 5

anterior lateral sulcus, area where anterior portion of spinal nerves exit the spinal cord