Download Chapter 14 Peripheral Nervous System

LECTURE OUTLINE CHAPTER 14 Marieb
The Peripheral Nervous System: The Cranial Nerves and Spinal Nerves
Lecture Outline
Receptors:
IX.. Cranial nerves – 12 pairs arise from brainstem
Mnemonic – Out On Our Table Top Are Fruits, Very Green Veggies And
Hamburgers.
A.
I Olfactory
sensory
smell
( by way of cribiform plate of ethmoid)
B.
II Optic
sensory
vision
( by way of optic foramen)
C.
III Oculomotor
motor
runs eye muscles
( by way of superior orbital fissure)
D.
IV Trochlear
motor runs superior oblique eye muscle
(by way of superior orbital fissure)
E.
V Trigeminal
mixed, three major branches:
1. ophthalmic
2. Maxillary
3. Mandibular
( by way of 1. superior orbital fissure, 2. foramen rotundum,
3. foramen ovale)
F.
VI Abducens
motor, runs lateral rectus eye muscle
( by way of superior orbital fissure)
G.
VII Facial
mixed sensory & facial expression
(by way of internal acoustic canal to stylomastoid foramen)
H.
VIII Vestibulocochlear
sensory
hearing and balance
(by way of internal acoustic foramen)
I.
IX Glossopharyngeal
mixed sensory & swallowing
(by way of jugular foramen)
J.
X Vagus
mixed, very important in ANS
( by way of jugular foramen)
K.
XI Accessory
motor, swallowing, trapezius, &scm
(by way of jugular foramen)
L.
XII Hypoglossal
motor, tongue musculature
(by way of hypoglossal canal)
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