basic anatomy of PNS Flashcards
1
Q
name the main parts of a neurone?
A
dendrites
soma
axon
2
Q
efferent
A
motor
3
Q
afferent
A
sensory
4
Q
nerve cell body in PNS
A
ganglion
5
Q
nerve cell body in CNS
A
nucleus
6
Q
bundle of axons in CNS
A
tract
7
Q
bundle of axons in PNS
A
nerve
8
Q
how many pairs of spinal nerves are there?
A
31
9
Q
where are the spinal nerves located?
A
intervertebral foramina
10
Q
all sensory axons pass from spinal nerve into?
A
POSTERIOR root then rootlets then posterior horn of spinal cord
11
Q
all motor axons pas from..?
A
ANTERIOR horn of spinal cord into rootlets then root then spinal nerve
12
Q
approx where is the T4 dermatome?
A
male nipple
13
Q
approx where is the T10 dermatome?
A
umbilicus
14
Q
where is dermatomes C2-4
A
posterior scalp, neck and shoulder
15
Q
where is C5-T1 dermatomes
A
upper limb
