Flashcards in Pterygopalatine Fossa Deck (72)
What is the pterygopalatine fossa
Small space that is medial to the infratemporal fossa
Anterior border of the pterygopalatine fossa
Posterior surface of the maxilla
Posterior boundary of the pterygopalatine fossa
Superior border of the boundary of the pterygopalatine fossa
Greater wing of sphenoid
Medial border of the pterygopalatine fossa
Perpendicular plate of the palatine bone
Lateral wall of the pterygopalatine fossa
Medial wall of the pterygopalatine fossa
Anterior wall of the pterygopalatine fossa
Inferior orbital fissure
Posterior wall of the pterygopalatine fossa
Ceiling of the pterygopalatine fossa
Floor of the pterygopalatine fossa
No floor, just a passage to the greater and lesser palatine canals
What nerve passes through the pterygopalatine fossa
V2 maxillary nerve of trigeminal
The _____nerve passes through the pterygopalatine fossa and the _____hangs from that nerve.
What kind of ganglion is the pterygopalatine ganglion?
What kind of fibers does the pterygopalatine ganglion receive
-Sensory- from V2
-parasympathetic fibers-from the greater petrosal nerve
-postganglionic sympathetic fibers-from the deep petrosal nerve
Where do the sensory fibers that go to the pterygopalatine ganglion come from?
V2 maxillary from trigeminal
Where do preganglionic parasympathetic fibers come from?
From the greater petrosal nerve
Where do the postganglionic sympathetic fibers to the pterygopalatine ganglion come from?
From the deep petrosal nerve
What is the greater petrosal nerve a branch of?
What kind of nerves are contained in the greater petrosal nerve?
Preganglionic parasympathetic fibers
The greater petrosal nerve joins the ______ to form the ________
-deep petrosal nerve
-the nerve of the pterygoid canal
Fibers of the deep petrosal nerve
Postganglionic sympathetic from the superior cervical ganglion
Greater petrosal nerve plus the deep petrosal nerve =
What kind of fibers go through the pterygoid canal?
Where does the nerve of the pterygoid canal terminate
In the pterygopalatine ganglion
What synapses in the pterygopalatine ganglion?
What kind of fibers just pass on through the pterygopalatine ganglion?
Postganglionic sympathetic fibers
What are the branches of the pterygopalatine ganglion
-greater palatine nerve
- lesser palatine nerve