4-3

CN I

olfactory

CN I function

sense of smell

CN II

optic

CN II function

sense of vision

CN III

oculomotor

CN III, IV and VI function

eyeball motion

CN IV

trochlear

CN V

trigeminal

CN V function

sensation to the face

muscles of mastication

CN V- opthalmic

sensation to frontal region

CN V- maxillary

sensation to maxillary region

CN V- mandibular

sensation to jaw and lower mouth

CN VI

abducens

CN VII

facial

CN VII function

facial expression

sense of taste

CN VIII

vestibulocochlear

CN VIII function

sense of motion and balance

CN IX

glossopharyngeal

CN IX function

taste

swallowing

CN X

vagus

CN X function

provides motor and sensory information to internal organs

CN XI

accessory

CN XI function

trapezius

sternocleidomastoid

CN XII

hypoglossal

CN XII function

tongue muscles

cervical plexus function

sensation in neck and shoulder

lumbar plexus function

femoral nerve- extension of knee; quadriceps femoris

obturator foramen; adductor muscles

sacral plexus function

all fibular=dorsiflexion of the ankle

tibial=plantarflexion

axillary nerve controls

deltoid

musculocutaneous nerve controls

elbow flexion

radial nerve controls

elbow, wrist and finger extension

ulnar and medial nerve controls

wrist and finger extension

reflexes are

rapid and predictable motor responses to a stimulus

why are reflexes predictable

we dont use higher order cerebrum

reflex category- by integration center

spinal cord

brain stem

reflex category- by how its learned

innate (both with)

learned (classical conditioning)

reflex category- effector

somatic (skeletal)

autonomic (smooth/cardiac)

reflex category- structural

monosynaptic (easy and simple response)

polysynaptic (complex response)

1

cervical enlargement

2

lumbar enlargement

3

conus medullaris

4

filum terminale

filum terminale function

anchors spinal cord

5

cauda equina

6

lateral white column

7

posterior white column

8

posterior median sulcus

9

central canal

10

anterior white column

11

anterior median fissure

12

anterior grey horn

13

lateral grey horn

14

posterior grey horn

15

dura mater

16

arachnoid mater

17

pia mater

18

dorsal roots

19

ventral roots

20

dorsal root ganglion

21

spinal nerve

22

axon

23

schwann cell

24

fascicle

25

nerve

26

epineurium

27

perineurium

28

endoneurium

49

phrenic nerve diaphragm

50

femoral nerve

51

obturator foramen

52

sciatic nerve

53

common fibular nerve

54

deep fibular

55

superficial fibular

56

tibial nerve

57

upper trunk

58

middle trunk

59

lower trunk

60

lateral chord

61

posterior cord

62

medial chord

63

axillary nerve

64

musculocutaneous

65

radial nerve

66

median nerve

67

ulnar nerve

68

axillary nerve (a)

69

sculocutaneous

70

radial nerve (a)

71

median nerve (a)

72

ulnar nerve (a)

73

receptor

74

sensory neuron

75

integration/synapse

76

motor neuron

77

effector

78

dorsal ramus

79

ventral ramus

80

ventral roots

81

spinal nerve