Spinal Nerve Info Flashcards
1
Q
how many total spinal nerves do we have?
A
31
2
Q
how many cervical nerves?
A
8
3
Q
how many thoracic nerves?
A
12
4
Q
how many lumbar nerves?
A
5
5
Q
how many sacral nerves?
A
5
6
Q
how many coocygeal nerves?
A
1
7
Q
what is in the ventral root?
A
nerves for motor
8
Q
what is in the dorsal root?
A
sensory nerves axons
9
Q
what is in the spinal nerve?
A
both the motor nerve axon and sensory nerve axon
10
Q
the spinal nerve splits…what are the two resulting tracts called?
A
dorsal and ventral ramus
11
Q
what is in the dorsal and ventral ramus?
A
both have sensory and motor nerves
12
Q
what does the ventral ramus feed?
A
body wall, torso, and limbs
13
Q
what does the dorsal ramus feed?
A
the back muscles
14
Q
where are the cell bodies of sensory nerves?
A
dorsal root ganglion
15
Q
where are the cell bodies of motor nerves?
A
ventral horn of the spinal cord
