Cranial Nerves (Simplified) Flashcards
What can you tell me about Cranial Nerve I
Olfactory nerve (smell) sensory
Smell picked up by receptors in cribriform plate
Pass through ethmoid
Forebrain
What can you tell me about Cranial Nerve II
optic nerve (vision) sensory
optic chiasma (cross over) in front of pineal gland
visual cortex (back of head)
forebrain
What can you tell me about Cranial Nerve III
oculo-motor (eye movement)
one of 3 nerves that supply movement of eye
all eye
superior orbital fissure
midbrain
What can you tell me about Cranial Nerve IV
trochlear (eye movement)
one of 3 nerves that supply movement of eye
down and out - superior oblique muscles
Superior orbital fissure
midbrain
What can you tell me about Cranial Nerve V
trigeminal nerve (face sensory and movement)
three branches - opthalmic, maxillary, mandibular
facial sensations and muscles of mastication
pons
What can you tell me about Cranial Nerve VI
abducent (eye movement)
one of 3 nerves that supply movement of eye
lateral rectus (outward)
superior orbital fissure
pons
What can you tell me about Cranial Nerve VII
facial
motor movement of face
pons
What can you tell me about Cranial Nerve VIII
vestibulo-cochlear (hearing and balance)
Sensory
Internal auditory meatus
Petrous ridge of temporal bone
pons
What can you tell me about Cranial Nerve IX
glosso-pharyngeal (back of tongue and throat - swallowing)
medulla
What can you tell me about Cranial Nerve X
vagus (motor and sensory to viscera)
Parasympathetic
Jugular foramen
medulla
What can you tell me about Cranial Nerve XI
accessory (spinal)
accessory to vagus
motor to move trapezius and sterno-mastocloid muscles
Jugular foramen
medulla
What can you tell me about Cranial Nerve XII
Hypo-glossal (motor to tongue)
Hypoglossal canal
medulla
