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24 Cards in this Set

  • Front
  • Back
what muscles does V3 (Mandibular of trigeminal) innvervate?
SVE/BE fibers: mastication (masseter, temporalis, medial and lateral pterygoid)
tensor veli palatini, tensor tympani
anterior belly of digastric and mylohyoid
what sensation is provided by V3?
lower teeth and face below mouth
what fibers are found in the auriculotemporal nerve?
GSA - sensory to TMJ
GVE - sympathetic and parasympathetic to parotid gland
what fibers are found in the lingual nerve?
general sensation from anterior tongue
chorda tympani - preganglionic parasympathetic to submandibular ganglion
postganglionic parasympathetic to submandibular and sublingual glands
chorda tympani - taste from anterior tongue
what cells are found in the otic ganglion?
postganglionic fibers to parotid that run in auriculotemporal n.
what fibers go to otic ganglion?
preganglionic parasympathetic from glossopharyngeal, tympanic plexus, lesser petrosal
what kind of hematoma results from damage of middle meningeal artery?
epidural hematoma
what happens at the upper joint of TMJ?
gliding forward and backward
what happens at the lower joint of TMJ?
hinge
what gives sensation to cheeck and gums?
buccal nerve of V3
what are the effects of a lesion to V3?
loss of mastication
general sensation from anterior tongue
taste from anterior tongue
no salivation from submandibular and sublingual glands
why d the fibrocartilage fisk and condyle of mandible move together?
lateral pterygoid m. is attached to both of them
what happens at TMJ when the mouth is opened?
disk and condyle glide on the articular tubercle
condyle hinges in the lower compartment
what muscle attaches at coronoid process of mandible?
temporalis
what muscle is responsible for retrusion of mandible?
temporalis
what muscles are responsible for protrusion of mandible?
masseter, lateral and medial pterygoid
what muscles are responsible for elevation of mandible?
masseter and medial pterygoid
what muscle that’s not a muscle of mastication can depress the mandible?
what nerve innervates it?
anterior belly of digastric
V3
what innervates muscles of mastication?
V3
what artery supplies muscles of mastication?
pterygoid portion of maxillary artery
what does the pterygoid venous plexus communicate with?
facial vein via deep facial v.
cavernous sinus via emissary veins through sphenoid and via inferior opthalmic v.
external jugular v. via maxillary and retromandibular veins
what side does the jaw deviate when the right TMJ is dislocated?
jaw deviated toward the left
to what side will the chin move if the med. Or lat. Pterygoid contracts
to opposite side
why is a fracture at pterion dangerous?
could damage middle meningeal artery