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12 Cranial Nerves
name, number, function
12
Anatomy
Undergraduate 1
04/01/2013

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Cards

Term
Olfactory
Definition

I.

Smell

Term
Optic
Definition

II.

Vision (adjusting lens and constricting pupil)

Term
Oculomotor
Definition

III.

Movement of eyeball

Elevation of upper eyelid

Contriction of iris

Focusing by lens (accomodation)

Term
Trochlear
Definition

IV.

Eye movements (down and out)

Term
Trigeminal
Definition

V.

Chewing

Conveys general senses from:

tongue (not taste), cornea, nasal cavity, front of scalp, upper eyelid, conjunctive, lacrimal gland, cheeck, upper lip, upper teeth, mucosa of nasal cavity, palate, parts of pharynx

Term
Abducens
Definition

VI.

Abduction of eye (lateral movement)

Term
Facial
Definition

VII.

Taste (anterior 2/3 of tongue), Salivation, Lacrimation, Movement of muscles of facial expression

Term
Vestibulocochlear
Definition

VIII.

hearing, equilibrium

Term
Glossopharyngeal
Definition

IX.

Taste (posterior 1/3 of tongue)

Other tongue sensations

Secretion of saliva

Swallowing

Term
Vagus
Definition

X.

"wanderer"

Swallowing

Monitors oxygen and carbon dioxide in blood

Senses blood pressure

Other visceral activities of affected systems

Term
Accessory
Definition

XI.

Voice production (larynx)

Muscle sense

Movement of head and shoulders

Term
Hypoglossal
Definition

XII.

Movements of tongue during speech

Swallowing

Muscle sense

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