601: Pterygopalatine Fossa

pterygomaxillary fissure

what structure leads to the pterygopalatine fossa?

pterygopalatine fossa

traveling medially from the pterygomaxillary fissure will place you in the:

inferior

The pterygopalatine fossa is ________to the apex of the orbit.

lateral

The pterygopalatine fossa is ________ to the sphenopalatine foramen

foramen rotundum
pterygoid canal
pharyngeal canal

what 3 foramen are located on the posterior wall of the pterygopalatine fossa?

sphenoplatine foramen

if you move a probe medially in the pterygopalatine fossa to get to the nasal cavity, you must go through the:

pterygomaxillary fissure

the lateral boundary of the pterygopalatine fossa is the:

pterygopalatine canal

the floor of the pterygopalatine fossa is the:

maxilla

the anterior wall of the pterygopalatine fossa is formed by the:

maxilla
sphenoid
palatine

what 3 bones make up the pterygopalatine fossa

sphenoid bone

the posterior wall and roof of the pterygopalatine fossa is formed by the:

palatine bone

the medial wall of the pterygopalatine fossa is formed by the:

pterygomaxillary fissure
inferior orbital fissure

name the 2 fissures associated with the pterygopalatine fossa:

foramen rotundum
sphenopalatine foramen

name the 2 foramen associated with the pterygopalatine fossa:

vidian canal/ pterygoid canal
pterygopalatine canal
pharyngeal canal

name the 3 canals associated with the pterygopalatine fossa:

inferior orbital fissure

what hole is located anterior and superior on the maxilla bone in the pterygopalatine fossa?

orbit

a probe from the pterygopalatine fossa through the infraorbital fissure, you would arrive in the:

inferior orbital fissure

if you wanted to go from the orbit to the pterygopalatine fossa, you'd take the

sphenopalatine foramen

what hole is located superiorly on the palatine bone?

nasal cavity

a probe from the pterygopalatine fossa through the sphenopalatine foramen, you would arrive in the:

sphenopalatine foramen

if you wanted to go from the nasal cavity to the pterygopalatine fossa, you'd take the

middle cranial fossa

a probe from the pterygopalatine fossa through the foramen rotundum, you would arrive in the:

foramen rotundum

what hole is located superiorly on the sphenoid bone?

foramen rotundum

if you wanted to go from the middle cranial fossa to the pterygopalatine fossa, you'd take the

nasopharynx

a probe from the pterygopalatine fossa through the pharyngeal canal, you would arrive in the:

pharyngeal canal

if you wanted to go from the nasopharynx to the pterygopalatine fossa, you'd take the

foramen lacerum

a probe from the pterygopalatine fossa through the vidian canal/ pterygoid canal, you would arrive in the:

vidian canal/ pterygoid canal

if you wanted to go from the foramen lacerum to the pterygopalatine fossa, you'd take the

oral cavity

a probe from the pterygopalatine fossa through the pterygopalatine canal, you would arrive in the:

pterygopalatine canal

if you wanted to go from the oral cavity to the pterygopalatine fossa, you'd take the

foramen rotundum

the maxillary division of CV inter the pterygopalatine fossa via the:

infraorbital n.

V2 after fibers pass through the infraorbital fissure is called the:

meningeal n. branch

which branch from V2 does NOT pass through the foramen rotundum?

meningeal n. branch

provides sensory innervation to the dura mater:

V2

meningeal nerve branch is a branch of:

middle meningeal a.

meningeal nerve branch travels with what structure?

meningeal n. branch

identify the structure:

sensory innervation of dura mater

if this structure was lacerated, what function would be diminished

inferior orbital fissure

the zygomatic nerve enters leaves the pterygopalatine fossa and enters the:

zygomatico-facial n.
zygomatico-temporal n.

the zygomatic nerve divides into two branches:

V2

the zygomatic n. is a branch of:

zygomatic n.

identify the structure:

cutaneous sensation from skin over anterior temporal region and skin anterior to zygomatic bone

if this structure was lacerated, what function would be diminished

zygomaticotemporal n.

which V2 nerve communicates with V1's lacrimal n. in the orbit?

2 short pterygopalatine nn.

these fibers suspend the pterygopalatine ganglion:

V2

the branches of the ganglion are branches of:

trigeminal ganglion

the post ganglionic fibers of the branches of the ganglion 's cell bodies are located in the:

posterior superior alveolar nn.

what nerve provides sensory innervation to maxillary third molar, second molar, palatal and distobuccal roots of first molar, associated buccal gingiva and maxillary sinus

infraorbital n.

anterior and middle superior alveolar nerves are branches of the:

posterior superior alveolar nn.

which nerve that provides sensory innervation to the maxillary teeth does not travel through the inferior orbital fissure?

anterior superior alveolar nn.

which nerve branching from the infraorbital nerve has branches that will innervate the floor and lateral wall of the nasal cavity?

infraorbital n.

what nerve provides cutaneous sensory innervation to the muscles of facial expression, lateral nose and upper lip?

orbital branches of the ganglion

provide sensory innervation from periosteum of orbit, sphenoidal sinus and posterior ethmoidal air cells

medially

the pharyngeal n. lies _______ to the vidian/pterygoid canal

nasopalatine n.

provides sensory innervation for septum, mucoperiosteum of anterior hard palate

posterior superior lateral nasal n.

provides sensory innervation for superior turbinate, superior meatus, middle turbinate

orbital branches

what nerves of the ganglia travel anteriorly?

nasopalatine n.
posterior superior lateral nasal n.

what nerves of the ganglia travel medially?

palatine n.
-greater and lesser palatine nn.
-posterior inferior lateral nasal n.

what nerves of the ganglia travel inferiorly?

pharyngeal n.
pterygoid/vidian n.

what nerves of the ganglia travel posteriorly?

pterygoid/vidian n.

which nerve of the ganglia is the only one that does not transmit V2 sensory fibers?

CN VII

parasympathetic fibers from which cranial nerve pass through the pterygopalatine fossa?

superior salivatory nucleus

preganglionic parasympathetic cell bodies for CN VII are located in the:

pterygopalatine ganglion

postganglionic parasympathetic cell bodies for CN VII are located in the:

preganglionic parasympathetic

the greater petrosal n. carries ____ _____ fibers:

internal acoustic meatus

parasympathetic fibers of CN VII will first travel through the ____ to enter the temporal bone:

hiatus of facial canal

parasympathetic fibers of CN VII will leave the temporal bone via the:

greater superficial petrosal n.

parasympathetic fibers of CN VII after leaving the hiatus of facial canal turn into the:

vidian canal/ pterygoid canal

the greater superficial petrosal n. will join the deep petrosal n. at the:

V2

parasympathetics of VII heading to the lacrimal gland after jumping on the 2 short pterygopalatine nn. will travel on:

2 short pterygopalatine nn.

parasympathetics of VII heading to the lacrimal gland after synapsing will travel on the:

zygomatic n.

parasympathetics of VII heading to the lacrimal gland after jumping onto V2 will travel on the:

zygomaticotemporal n.

parasympathetics of VII heading to the lacrimal gland after jumping on the zygomatic n. will travel on the:

communicating branch

parasympathetics of VII heading to the lacrimal gland after jumping on the zygomaticotemporal n. will travel on the:

lacrimal n.

parasympathetics of VII heading to the lacrimal gland after jumping on the communicating branch from zygomaticotemporal n. will travel on the ____ to reach its destination

IML T1-T3

preganglionic cell bodies of sympathetic fibers of CN VII are located on:

superior cervical ganglion

preganglionic sympathetic fibers of CN VII synapse at:

internal carotid a.

post ganglionic fibers of CN VII ride along what structure to reach its destination

postganglionic sympathetic

the deep petrosal nerves is made of _____ ______ fibers: