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CN VII--facial
N/A
9
Anatomy
Professional
10/17/2008

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Cards

Term
type:
Definition
mixed
Term
motor cell body of origin:
Definition
facial nucleus
Term
sensory cell body of origin:
Definition
geniculate ganglion--located in the bend of facial canal in temporal bone posterior to middle ear
Term
sensory peripheral processes:
Definition
innervate portions of external ear, taste receptors in anterior 2/3 of tongue
Term
sensory central processes:
Definition
terminate in nucleus solitarius (taste), sensory trigeminal nucleus (external ear) in the brainstem
Term
parasympathetic cell body of origin:
Definition
1st cell body is superior salivary nucleus that innervates 5 glands
Term
parasympathetic innervation to:
Definition
lacrimal, submandibular, sublingual, nasal mucous, oral mucous
Term
enters/leaves cranial cavity through:
Definition
internal auditory meatus, continuous with the facial canal posterior to middle ear (tympanic cavity)
Term
in facial canal splits into:
Definition
1. greater petrosal n. (at geniculate)
2. chorda tympani (distal to geniculate)
3. somatomotor and somatosensory (external ear) at the stylomastoid foramen
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