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Neuro6

WVSOM -- CN VII

QuestionAnswer
What are the 2 efferent components of CN VII? facial motor nucleus and superior salivatory nucleus
What kind of nerve is CN VII? mixed
How many nuclei are involved with CN VII? 4
Where do axons leave for CN VII? pontomedullary junction
What is the purpose of the facial motor nucleus? motor neurons that innervates voluntary mimetic muscles of the face
Where is the facial motor nucleus? caudal pons
What gives cortical motor input to the facial nerve? corticobulbar tract
What kind of cortical input innervates the upper portion of the face? bilateral input
What kind of cortical input innervates the lower portion of the face? contralateral input
What is the purpose of the superior salivatory nucleus? parasympathetic preganglionic axons that innervate the pterygopalatine and submandibular ganglia
What does the pterygopalatine ganglion lead to? lacrimation via lacrimal gland
What does the submandibular ganglion lead to? salivation via the sublingual and submandibular glands
What part of taste goes with CN VII? anterior 2/3 of the tongue
What are the two afferent components of CN VII? taste and somatic sensations
Where does CN VII conduct somatic sensations from? pinna (ear)
Where are sensory neurons of CN VII have their cell bodies? geniculate ganglion
Created by: tjamrose
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