Shared Flashcard Set

Details

Cranial Nerves
Names, origins, functions
12
Anatomy
Undergraduate 1
10/28/2008

Additional Anatomy Flashcards

 


 

Cards

Term
CN I
Definition

Olfactory (I)

 

sensory

O: cerebral cortex

F: sense of smell

Term
CN II
Definition

Optic (II)

 

sensory

O: thalamus

F: sense of sight

Term
CN III
Definition

Oculomotor (III)

 

motor

O: midbrain

F:  eye movement (raising eyelids, moving eyes, focusing, pupil diameter)

Term
CN IV
Definition

Trochlear (IV)

 

motor

O: midbrain

F: eye movement

Term
CN V
Definition

Trigeminal (V)

 

sensory and motor

O: pons

F: opthalmic (sensory) sensation from scalp, surface of eyes, upper eyelids, forehead, tear glands;

maxillary (sensory) sensation from upper teeth and gum, upper lip, palate, and skin of face;

mandibular (sensory) sensation from scalp, skin of jaw, lower teeth, gum and lip; (motor) mastication

Term
CN VI
Definition

Abducens (VI)

 

motor

O: pons

F: eye movement

Term
CN VII
Definition

Facial (VII)

 

sensory and motor

O: pons

F: (sensory) taste from anterior two-thirds of tongue

(motor) facial sensation and expression, tearing, salivation 

Term
CN VIII
Definition

Vestibulocochlear (VIII)

 

sensory

O: pons, medulla oblongata

F: hearing, balance, equilibrium

Term
CN IX
Definition

Glossopharyngeal (IX)

 

sensory and motor

O: medulla oblogata

F: (sensory) taste to posterior one-third of tongue, sensation from pharynx, tonsils, carotid arteries

(motor) salivation, swallowing

Term
CN X
Definition

Vagus (X)

 

sensory and motor

O: medulla oblongata

F: (sensory) sensation from pharynx, larynx, esophagus, and viscera of thorax and abdomen; activity and sensation for parts of ear

(motor) speech and swallowing; motor to viscera of thorax and abdomen

Term
CN XI
Definition

Accessory (XI)

 

motor

O: medulla oblongata

F: head movement, voluntary component of swallowing, control of vocal cords

Term
CN XII
Definition

Hypoglossal (XII)

 

motor

O: medulla oblongata

F: movement of tongue

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