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SP16 Anatomy Exam 2 > Pterygopalatine Fossa > Flashcards

Pterygopalatine Fossa Flashcards

1
Q

what are the 3 bones that surround the pterygopalatine fossa?

A

maxilla
sphenoid
palatine

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2
Q

how many openings are in the fossa?

A

7

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3
Q

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

A

middle face

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4
Q

what is the important ganglion that is associated with the fossa

A

pterygopalatine ganglion

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5
Q

what synapses at the pterygopalaine ganglion

A

parasympathetic fibers

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6
Q

what travels through the pterygopalatine ganglion

A

sympathetic fibers

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7
Q

what fossa is located medial to the infratemporal fossa

A

pterygopalatine fossa

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8
Q

what opening is lateral in p. fossa

A

pterygomaxillary fissure

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9
Q

what opening is medial in p fossa

A

sphenopalatine foramen

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10
Q

what is posteriosuperior in p fossa

A

foramen rotundum

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11
Q

what is anterosuperior in p foss

A

inferior orbital fissure

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12
Q

what 2 are posterior in p fossa

A

pterygoid canal

pharyngeal canal

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13
Q

what is inferior in p fossa

A

palatine canal

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14
Q

what artery is supplying middle face

A

maxillary artery

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15
Q

what do the terminal branches of maxillary artery travel through

A

pterygomaxillary fissure

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16
Q

what 6 arteries are in the pterygopalatine fossa

A 
artery of pterygoid canal
pharyngeal artery
sphenopalatine
infra-orbital
posterior superior alveolar
descending palatine
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17
Q

what are all these 7 arteries branches from?

A

maxillary artery

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18
Q

what are the 3 parts of the maxillary artery

A

mandibular
pterygoid
pterygopalatine

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19
Q

where does the pterygoid venus plexus end up?

A

infratemporal fossa

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20
Q

what is the sphenopalatine foramen created by?

A

sphenoid and palatine bones

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21
Q

what artery runs through sphenopalatine foramen?

A

sphenopalatine a.

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22
Q

what cavity does the sphenopalatine artery go to?

A

nasal cavity

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23
Q

what are the 2 branches of the sphenopalatine artery

A

posterior lateral nasal

posterior septal

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24
Q

what are the 2 branches of posterior lateral nasal NERVE

A

posterior superior lateral nasal nerve

posterior inferior lateral nasal nerve

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25
Q

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

A

maxillary nerve (v2)

26
Q

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

A

greater palatine nerve (v2)

27
Q

what does the nerves of the pterygoid palatine ganglion supply?

A

palatal mucosa, nasal mucosa, lateral wall and septal

28
Q

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

A

keep mucosa wet

29
Q

what is another nerve branching off of the pterygoid palatine ganglion

A

nasopalatine nerve

30
Q

what nerve is nasopalatine n branching from?

A

V2

31
Q

what canal does the nasopalatine n go through?

A

incisive canal

32
Q

what cranial fossa is the foramen rotundum is?

A

middle cranial fossa

33
Q

what nerve goes through the foramen rotundum

A

V2

34
Q

what does the V2 nerve enter when going through foramen rotundum

A

pterygoid palatine fossa

35
Q

what does the zygomatic nerve supply?

A

lacrimal gland, oral mucosa, and nasal mucosa

36
Q

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

A

lacrimal nerve of V1

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

37
Q

infraorbital goes through what foramen to get to face?

A

infraorbital foramen

38
Q

what branches does zygomatic nerve have?

A

zygomaticotemporal n

zygomaticofacial n

39
Q

what does the communicating branch connect?

A

V1 and V2

40
Q

what 2 things go through the pterygoid canal?

A

vidian n of pterygoid canal

pterygoid branch of maxillary a

41
Q

what 2 things does the pterygoid canal connect?

A

foramen lacerum and sphenopalatine foramen

42
Q

what bone is associated with the pterygoid canal?

A

sphenoid bone

43
Q

what goes through foramen lacerum??

A

NADA NOTHING DAMN IT IS STUPID

44
Q

where do the preganglionic sympathetic fibers come from?

A

T1-L2

45
Q

where do the postganglionic sympathetic fibers synpase

A

superior cervical ganglion

46
Q

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

A

Hop on internal carotid plexus (ICA)

47
Q

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

A

deep petrosal nerve

48
Q

where does the parasympathetic preganglionic fibers start?

A

geniculate ganglion of VII

49
Q

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

A

greater petrosal nerve

50
Q

what is the path of parasympathetics?

A

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

51
Q

what fibers leave the pterygoid palatine ganglion?

A

postganglion sympathetic

postganglionic parasympathetic

52
Q

what is the path of the sympathetics?

A

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

53
Q

what canal is superior/lateral to vomer bone?

A

pharyngeal canal

54
Q

what are 2 things that go through pharyngeal canal?

A

pharyngeal n

pharyngeal branch of maxillary artery

55
Q

what does the pharyngeal nerve innervate

A

pharyngeal mucosa structures
nasal pharynx
oral pharynx

56
Q

what trigeminal division does greater and lesser palatine nerve

A

CN V2

57
Q

what foramen does greater and lesser palatine nerve go through?

A

greater and lesser palatine foramen

58
Q

what 3 things goes through palatine canal?

A

greater and lesser palatine n

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

59
Q

what is the inferior exit of the pterygopalatine fossa?

A

palatine canal

60
Q

what does the vidian nerve of pterygoid canal supply?

A

lacrimal gland, nasal, and palatal glands

61
Q

what does the greater palatine nerve go through?

A

incisive canal

SP16 Anatomy Exam 2 (14 decks)

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