Pterygopalatine Fossa

Question 1

what are the 3 bones that surround the pterygopalatine fossa?

Answer 1

maxilla
sphenoid
palatine

Question 2

how many openings are in the fossa?

Answer 2

7

Question 3

what do the nerves and arteries supply for the pterygopalatine fossa?

Answer 3

middle face

Question 4

what is the important ganglion that is associated with the fossa

Answer 4

pterygopalatine ganglion

Question 5

what synapses at the pterygopalaine ganglion

Answer 5

parasympathetic fibers

Question 6

what travels through the pterygopalatine ganglion

Answer 6

sympathetic fibers

Question 7

what fossa is located medial to the infratemporal fossa

Answer 7

pterygopalatine fossa

Question 8

what opening is lateral in p. fossa

Answer 8

pterygomaxillary fissure

Question 9

what opening is medial in p fossa

Answer 9

sphenopalatine foramen

Question 10

what is posteriosuperior in p fossa

Answer 10

foramen rotundum

Question 11

what is anterosuperior in p foss

Answer 11

inferior orbital fissure

Question 12

what 2 are posterior in p fossa

Answer 12

pterygoid canal

pharyngeal canal

Question 13

what is inferior in p fossa

Answer 13

palatine canal

Question 14

what artery is supplying middle face

Answer 14

maxillary artery

Question 15

what do the terminal branches of maxillary artery travel through

Answer 15

pterygomaxillary fissure

Question 16

what 6 arteries are in the pterygopalatine fossa

Answer 16

artery of pterygoid canal
pharyngeal artery
sphenopalatine
infra-orbital
posterior superior alveolar
descending palatine

Question 17

what are all these 7 arteries branches from?

Answer 17

maxillary artery

Question 18

what are the 3 parts of the maxillary artery

Answer 18

mandibular
pterygoid
pterygopalatine

Question 19

where does the pterygoid venus plexus end up?

Answer 19

infratemporal fossa

Question 20

what is the sphenopalatine foramen created by?

Answer 20

sphenoid and palatine bones

Question 21

what artery runs through sphenopalatine foramen?

Answer 21

sphenopalatine a.

Question 22

what cavity does the sphenopalatine artery go to?

Answer 22

nasal cavity

Question 23

what are the 2 branches of the sphenopalatine artery

Answer 23

posterior lateral nasal

posterior septal

Question 24

what are the 2 branches of posterior lateral nasal NERVE

Answer 24

posterior superior lateral nasal nerve

posterior inferior lateral nasal nerve

Question 25

what nerve is the posterior superior lateral nasal n branch off of?

Answer 25

maxillary nerve (v2)

Question 26

what nerve is the posterior inferior lateral nasal branch n off of?

Answer 26

greater palatine nerve (v2)

Question 27

what does the nerves of the pterygoid palatine ganglion supply?

Answer 27

palatal mucosa, nasal mucosa, lateral wall and septal

Question 28

what does the autonomic innervation of the pterygoid palatine ganglion do?

Answer 28

keep mucosa wet

Question 29

what is another nerve branching off of the pterygoid palatine ganglion

Answer 29

nasopalatine nerve

Question 30

what nerve is nasopalatine n branching from?

Answer 30

V2

Question 31

what canal does the nasopalatine n go through?

Answer 31

incisive canal

Question 32

what cranial fossa is the foramen rotundum is?

Answer 32

middle cranial fossa

Question 33

what nerve goes through the foramen rotundum

Answer 33

V2

Question 34

what does the V2 nerve enter when going through foramen rotundum

Answer 34

pterygoid palatine fossa

Question 35

what does the zygomatic nerve supply?

Answer 35

lacrimal gland, oral mucosa, and nasal mucosa

Question 36

what other nerve goes zygomatic nerve come together with to supply the lacrimal gland?

Answer 36

lacrimal nerve of V1 | -zygomatic has a communicating branch that meets up with lacrimal nerve to supply lacrimal gland together

Question 37

infraorbital goes through what foramen to get to face?

Answer 37

infraorbital foramen

Question 38

what branches does zygomatic nerve have?

Answer 38

zygomaticotemporal n | zygomaticofacial n

Question 39

what does the communicating branch connect?

Answer 39

V1 and V2

Question 40

what 2 things go through the pterygoid canal?

Answer 40

vidian n of pterygoid canal | pterygoid branch of maxillary a

Question 41

what 2 things does the pterygoid canal connect?

Answer 41

foramen lacerum and sphenopalatine foramen

Question 42

what bone is associated with the pterygoid canal?

Answer 42

sphenoid bone

Question 43

what goes through foramen lacerum??

Answer 43

NADA NOTHING DAMN IT IS STUPID

Question 44

where do the preganglionic sympathetic fibers come from?

Answer 44

T1-L2

Question 45

where do the postganglionic sympathetic fibers synpase

Answer 45

superior cervical ganglion

Question 46

how does the postganglion symp fibers get to pterygoid palatine ganglion?

Answer 46

Hop on internal carotid plexus (ICA)

Question 47

sympathetic fibers from the internal carotid plexus branch off to form what nerve?

Answer 47

deep petrosal nerve

Question 48

where does the parasympathetic preganglionic fibers start?

Answer 48

geniculate ganglion of VII

Question 49

what nerve branches off of geniculate ganglion to have parasympathetics fibers?

Answer 49

greater petrosal nerve

Question 50

what is the path of parasympathetics?

Answer 50

geniculate ganglion of VII, greater petrosal, vidian nerve, pterygoid palatine ganglion

Question 51

what fibers leave the pterygoid palatine ganglion?

Answer 51

postganglion sympathetic | postganglionic parasympathetic

Question 52

what is the path of the sympathetics?

Answer 52

T1--superior cervical ganglion --> internal carotid plexus --> deep petrosal nerve --> vidian n --> pterygopalatine ganglion (JUST TRAVELS THROUGH)

Question 53

what canal is superior/lateral to vomer bone?

Answer 53

pharyngeal canal

Question 54

what are 2 things that go through pharyngeal canal?

Answer 54

pharyngeal n | pharyngeal branch of maxillary artery

Question 55

what does the pharyngeal nerve innervate

Answer 55

pharyngeal mucosa structures nasal pharynx oral pharynx

Question 56

what trigeminal division does greater and lesser palatine nerve

Answer 56

CN V2

Question 57

what foramen does greater and lesser palatine nerve go through?

Answer 57

greater and lesser palatine foramen

Question 58

what 3 things goes through palatine canal?

Answer 58

greater and lesser palatine n | descending palatine a (which give off greater and lesser palatine a)

Question 59

what is the inferior exit of the pterygopalatine fossa?

Answer 59

palatine canal

Question 60

what does the vidian nerve of pterygoid canal supply?

Answer 60

lacrimal gland, nasal, and palatal glands

Question 61

what does the greater palatine nerve go through?

Answer 61

incisive canal