5) Anatomy - Glossopharyngeal Nerve
The tensor tympani muscle enters the middle ear cavity through the (ANTERIOR/POSTERIOR) wall and attaches to the _________ bone.
anterior, malleus
The smallest synovial joint in the body is located between the ______ and the _______.
incus, stapes
The cell bodies for taste in the glossopharyngeal nerve are located in the ________ _______ ganglion.
inferior glossopharyngeal
The glossopharyngeal nerve supplies special sensory to the posterior 1/3 of the tongue. The ganglion for this is the ________ __________ ganglion.
inferior glossopharyngeal
The signals from the carotid sinus and the carotid body are synapsing in the _________ ___________ ganglion.
inferior glossopharyngeal
The cochlear part of CN VIII enters the ______ _______ ______ and goes to the cochlea for hearing.
internal acoustic meatus
CN IX exits the skull via the ________ _______ along with CN _____ and ______.
jugular foramen, X, XI
The prominence of _______ ________ ______ is located just posterior to the bulge of the facial canal.
lateral semicircular canal
CN IX supplies all of the (NASOPHARYNX/OROPHARYNX) and parts of the (NASOPHARYNX/OROPHARYNX).
oropharynx, nasopharynx
Glossopharyngeal parasympathetics synapse in the ______ ganglion, which lies just below the ______ ______, in the ____________ fossa.
otic, foramen ovale, infratemporal
The (OVAL/ROUND) window is where the stapes bone fits. The (OVAL/ROUND) window is covered by a membrane.
oval, round
Pain of glossopharyngeal neuralgia often begins at the _______ _______ or in the back of the _______ and radiates to the ear.
palatine tonsil, pharynx
The glossopharyngeal nerve supplies parasympathetic innervation to the _________ _________ via the _______ ganglion.
parotid gland, otic
The anterior tympanic artery enters the ___________ fissure as the _______ _______ (nerve) is exiting.
petrotympanic, chorda tympani
The main trunk of the glossopharyngeal nerve descends along the _________.
pharynx
The stylomastoid artery sends off the _______ ________ artery out of the facial canal with the ________ _______ (nerve).
posterior tympanic, chorda tympani
The tympanic nerve enters the middle ear cavity through the floor and spreads out over the _________. Then, parasympathetics recollect into the ________ ________ ________ nerve.
promontory, lesser superficial petrosal
The _________ artery runs up through the stylomastoid foramen. It is a branch of the ________ artery.
stylomastoid, occipital
The glossopharyngeal nerve supplies somatic motor innervation to the ___________ muscle.
stylopharyngeus
CN IX supplies the _________ muscle via the nerve to __________. This nerve comes off the main trunk after it has exited the ______ _______ (i.e. past the ganglia).
stylopharyngeus, stylopharyngeus, jugular foramen
The first ganglia you see right outside the jugular foramen are the _______ and _______ ________ ganglia.
superior, inferior glossopharyngeal
The somatic sensory cell bodies are located in the ________ and __________ ___________ ganglia.
superior, inferior glossopharyngeal
Glossopharyngeal neuralgia can be brought about by ________, _______, or (PROTRUDING/RETRACTING) the tongue.
swallowing, chewing, protruding
The bones of the ear canal are connected via ________ joints.
synovial
The _______ ________ is the roof of the middle ear cavity.
tegmen tympani
The ______ ______ muscle on the malleus, and the ________ of _______ on the stapes, contract reflexively when you hear a loud sound.
tensor tympani, tendon, stapedius
The ________ nerve branches off of CN IX and re-enters the skull in the middle ear cavity.
tympanic
The entry point for the _______ nerve is in the floor of the middle ear cavity.
tympanic
The _______ _______ forms the lateral wall of the middle ear cavity.
tympanic membrane
The anterior and posterior tympanic arteries anastomose on the _______ ________.
tympanic membrane
The middle ear cavity is separated from the external ear via the _______ _______.
tympanic membrane
Once in the middle ear, the tympanic nerve spreads out into the _______ _______.
tympanic plexus
The _______ ________ supplies the mastoid process (internally), the eustachian tube, and the tympanic membrane (essentially supplies the middle ear and all of its parts internally).
tympanic plexus
The somatic sensory parts of CN IX include the _______ nerve, sensory part of the ______ plexus, the _____ branch, and the _____ branch.
tympanic, pharyngeal, tonsilar, lingual
Preganglionic parasympathetics travel with the ________ nerve and spread out through the ________ plexus.
tympanic, tympanic
After CN IX exits the jugular foramen, one of the first branches that comes off of it is the _______ branch, and this branch re-enters the skull through the _________ ________.
tympanic, tympanic canaliculus
_________ ___________ is an intense, shooting pain felt over somatic sensory distribution of CN IX.
Glossopharyngeal neuralgia
_______ ______ come off the lingual branch of the glossopharyngeal nerve and these supply ________ that covers the ______ tonsils.
Tonsilar branches, mucosa, palatine
The pharyngeotympanic tube enters the ear cavity through the (ANTERIOR/POSTERIOR) wall just (ABOVE/BELOW) the tensor tympani muscle.
anterior, below
The mastoid is filled with ______ _____ and connects to the ______ _______ _______ (and eventually to the pharyngotympanic tube)
air sacs, middle ear cavity
In addition to the posterior tympanic artery, there is an ______ _______ artery which is a branch of the _________ artery (____ part).
anterior tympanic, maxillary, 1st
The anterior ligament of malleus comes off the (ANTERIOR/POSTERIOR) malleus out of the _________ fissure and inserts onto the articular disc of the ______ joint and onto the spine of the _______ bone.
anterior, petrotympanic, temporomandibular, sphenoid
Even though we said no parasympathetics reach body wall, there are actually some axons containing parasympathetic fibers in the lips of rats. Apparently they are involved in regulating _______ _______ ______ and cause secretion in tiny _____ ______ glands.
arterial blood flow, labial salivary
Postganglionic parasympathetic fibers from the glossopharyngeal nerve travel with the ___________ nerve to reach the parotid gland. This nerve is carrying somatic sensory from V____ going to the parotid gland.
auriculotemporal, 3
The glossopharyngeal nerve supplies visceral afferent innervation for _______ from the carotid sinus and ________ from the carotid body. Cell bodies are in the ________ _________ ganglion.
baroreception, chemoreception, inferior glossopharyngeal
The facial nerve runs right (BEHIND/IN FRONT OF) the middle ear cavity.
behind
The carotid body is a wad of tissue in the ________ of the common carotid. Signals from this travel up through the __________ nerve to carotid body.
bifurcation, glossopharyngeal
The carotid sinus is a swollen part of the internal carotid artery and is located at the ___________. ________ receptors are located here. The signals from this travel up through the __________ nerve in the nerve to carotid sinus.
bifurcation, stretch, glossopharyngeal
Some people think touching the lips can have a _______ effect because of _________ nerve supply to the lips.
calming, parasympathetic
The tympanic canaliculus is located in between the _______ ______ and the _______ ________.
carotid canal, jugular foramen
The three bones of the middle ear arise in ________, but are ______ _______ derivatives.
cartilage, neural crest
The ______ bulges into the middle ear cavity. There is a shell of bone that covers it, and the shell of bone is called the ________.
cochlea, promontory
We have the ossicular chain because of the difference in _________. This mechanism increases pressure of the fluid by approximately ______.
compressibility, 17x
It is suspected that many cases of glossopharyngeal neuralgia result from _________ of the nerve as it is crossed by vessels near the nerve's origin.
compression
The malleus is attached to the _______.
eardrum
The posterior tympanic artery supplies the _________ with blood from inside the mucosa.
eardrum
The chorda tympani comes out of the ______ _______ in the (ANTERIOR/POSTERIOR) middle ear cavity. Then, it runs along the (LATERAL/MEDIAL) wall and can be seen on the inner tympanic membrane.
facial canal, posterior, lateral
there is a mystery connection between the ______ and ______ _______ _______ nerves of the glossopharyngeal nerve.
facial, lesser superficial petrosal
There is a small connection between the lesser superficial petrosal nerve and the ________ nerve. The reason for this is thought to be so that people who have lost _________ innervation from the lesser superficial petrosal will still get some parotid gland secretion.
facial, parasympathetic
The ______ nerve would supply parasympathetics to the upper lip. It would synapse in the ____________ ganglion and travel with the _________ nerve to reach the upper lip.
facial, pterygopalatine, infraorbital
The lesser superficial petrosal nerve travels in the groove for lesser superficial petrosal nerve and it exits the head via the _________ _________.
foramen ovale
The otic ganglion is located just below the _____ _______ deep to _____.
foramen ovale, V3
Parasympathetics to the lower lip would be supplied by the __________ nerve.
glossopharyngeal
The jugular foramen has a wide (LATERAL/MEDIAL) part where the ______ _______ _______ forms, and a narrow (LATERAL/MEDIAL) part for the ______ _______ to exit.
lateral, internal jugular vein, medial, cranial nerves
Before the tympanic nerve gets to the tympanic canaliculus it gives off a branch that goes (LATERAL/MEDIAL) into the ________ _________.
lateral, mastoid canaliculus
Parasympathetic nerves reform (after the tympanic plexus) into the _______ ________ _______ nerve. This nerve is carrying (PRE/POST)-ganglionic parasympathetics.
lesser superficial petrosal, pre
The ________ branch of CN IX carries taste to the tongue.
lingual
The terminal branch of the glossopharyngeal nerve (carrying somatic sensory) is the ________ _______, which is going to the ______ ______ of the tongue.
lingual branch, posterior 1/3
You can see the _______ bone and the ________ ________ (nerve) through a healthy tympanic membrane.
malleus, chorda tympani
The _______ and _______ have ligaments that connect them superiorly to the ceiling of the middle ear cavity. The ______ is connected by tendon of ________ to the posterior wall.
malleus, incus, stapes, stapedius
General motion of the bones in the middle ear cavity when air hits the tympanic membrane: air hits the tympanic membrane, which sets the _______ into motion. The ______ moves the _______, which causes the ______ to rock back and forth in the ______ window to set fluid of the inner ear into motion.
malleus, malleus, incus, stapes, oval
The _______ nerve and _____ ______ ______ artery exit the foramen ovale with the lesser superficial petrosal nerve.
mandibular, accessory middle meningeal,
The _____ ______ is the opening in the middle ear canal that connects to the mastoid antrum.
mastoid aditus
The facial canal moves from the (LATERAL/MEDIAL) wall to the (ANTERIOR/POSTERIOR) wall.
medial, posterior
Windows are communications between the _______ and ______ ear.
middle, inner
The cutaneous dermatome of the glossopharyngeal nerve is located ________?
nowhere
The posterior tympanic artery runs in the (OPPOSITE/SAME) direction as the chorda tympani. The anterior tympanic artery runs in the (OPPOSITE/SAME) direction as the chorda tympani.
same, opposite
The glossopharyngeal nerve supplies _______ ________ innervation to the middle ear, tympanic membrane (inner surface), auditory tube, pharynx, posterior 1/3 of tongue, and mucosa over the palatine tonsil.
somatic sensory
When you look into a patient's mouth, the territory seen is all ________ ________ from CN IX.
somatic sensory
______ ______ cell bodies are located in the superior and inferior GP ganglia.
somatic sensory
After the nerve to stylopharyngeus comes off the main trunk, _____ ______ innervation continues on with the main trunk and runs along the back of the _______.
somatic sensory, pharynx
The signals that synapse in the inferior glossopharyngeal ganglion include ______ _______, ______ _______, and _______ ______ (put them in order going off of the initial modality chart).
somatic sensory, special sensory, visceral afferents
The _______ is the smallest skeletal muscle. The ______ is the smallest bone.
stapedius, stapes
The tendon of stapedius connects to the _______.
stapes
The bones in the middle ear (from medial wall to lateral wall): _______, ________, ________
stapes, incus, malleus
The two parts of CN VIII are the _______ part and the _______ part.
vestibular, cochlear