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25 Cards in this Set

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  • Back
major nerve of infratemporal fossa
mandibular branch (V3) of trigeminal nerve (CN V)
mandibular nerve is
V3
where does V3 enter infratemporal fossa?
foramen ovale
what does V3 do?
motor innervation to muscles of mastication and sensory nerve to buccinator muscle
relationship between auriculotemporal nerve and middle meningeal artery
auriculotemporal nerve splits around the middle meningeal artery on its way to superficial temporal area
where is otic ganglion?
medial surface of V3
what does otic ganglion carry?
parasympathetic fibers from the glossopharyngeal nerve (CN IX) which synapse in the otic ganglion
where does the chorda tympani come from?
it is a branch of the facial nerve (CN VII)
what does the chorda tympani connect to?
lingual nerve
what is the lingual nerve a branch of?
V3
parasympathetic fibers of the facial nerve are also known as
visceral motor fibers
where do parasympathetic fibers of facial nerve (CN VII) originate from?
superior salivatory nucleus
what do parasympathetic fibers split into?
2 branches, one enters greater petrosal nerve, other enters chorda tympani branch of facial nerve
what does chorda tympani branch join?
lingual nerve of CN V3 in infratemporal fossa
parasympathetic fibers in chorda tympani synapse here
they ride along the back of the lingual nerve and synapse in the submandibular ganglion
post-synaptic parasympathetic fibers from submandibular ganglion innervate what?
travel to sublingual and submandibular salivary glands to stimulate salivation
what else is carried in the chorda tympani?
special afferent (sensory) fibers that sense taste from the anterior 2/3 of the tongue
what are the afferent (sensory) fibers carried in the lingual nerve for?
the afferent fibers in the lingual nerve prior to where it joins the chorda tympani are for sensing pain and touch from the anterior 2/3 of the tongue
what do parasympathetic fibers in the greater petrosal nerve join?
sympathetic fibers from the deep petrosal nerve to form the Nerve to the pterygoid canal
nerve to the pterygoid canal is also known as
vidian nerve
where do parasympathetic fibers in vidian nerve synapse?
pterygopalatine ganglion
where do parasympathetic fibers from the pterygopalatine ganglion continue to?
zygomatic nerve, then continue on to join lacrimal nerve, which innervates lacrimal gland
what does the lacrimal gland do?
produces tears
what is zygomatic nerve a branch of?
V2
what is lacrimal nerve a branch of?
V1