Pterygopalatine Fossa Flashcards Preview

SP16 Anatomy Exam 2 > Pterygopalatine Fossa > Flashcards

Flashcards in Pterygopalatine Fossa Deck (61):
1

what are the 3 bones that surround the pterygopalatine fossa?

maxilla
sphenoid
palatine

2

how many openings are in the fossa?

7

3

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

middle face

4

what is the important ganglion that is associated with the fossa

pterygopalatine ganglion

5

what synapses at the pterygopalaine ganglion

parasympathetic fibers

6

what travels through the pterygopalatine ganglion

sympathetic fibers

7

what fossa is located medial to the infratemporal fossa

pterygopalatine fossa

8

what opening is lateral in p. fossa

pterygomaxillary fissure

9

what opening is medial in p fossa

sphenopalatine foramen

10

what is posteriosuperior in p fossa

foramen rotundum

11

what is anterosuperior in p foss

inferior orbital fissure

12

what 2 are posterior in p fossa

pterygoid canal
pharyngeal canal

13

what is inferior in p fossa

palatine canal

14

what artery is supplying middle face

maxillary artery

15

what do the terminal branches of maxillary artery travel through

pterygomaxillary fissure

16

what 6 arteries are in the pterygopalatine fossa

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

17

what are all these 7 arteries branches from?

maxillary artery

18

what are the 3 parts of the maxillary artery

mandibular
pterygoid
pterygopalatine

19

where does the pterygoid venus plexus end up?

infratemporal fossa

20

what is the sphenopalatine foramen created by?

sphenoid and palatine bones

21

what artery runs through sphenopalatine foramen?

sphenopalatine a.

22

what cavity does the sphenopalatine artery go to?

nasal cavity

23

what are the 2 branches of the sphenopalatine artery

posterior lateral nasal
posterior septal

24

what are the 2 branches of posterior lateral nasal NERVE

posterior superior lateral nasal nerve
posterior inferior lateral nasal nerve

25

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

maxillary nerve (v2)

26

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

greater palatine nerve (v2)

27

what does the nerves of the pterygoid palatine ganglion supply?

palatal mucosa, nasal mucosa, lateral wall and septal

28

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

keep mucosa wet

29

what is another nerve branching off of the pterygoid palatine ganglion

nasopalatine nerve

30

what nerve is nasopalatine n branching from?

V2

31

what canal does the nasopalatine n go through?

incisive canal

32

what cranial fossa is the foramen rotundum is?

middle cranial fossa

33

what nerve goes through the foramen rotundum

V2

34

what does the V2 nerve enter when going through foramen rotundum

pterygoid palatine fossa

35

what does the zygomatic nerve supply?

lacrimal gland, oral mucosa, and nasal mucosa

36

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

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

37

infraorbital goes through what foramen to get to face?

infraorbital foramen

38

what branches does zygomatic nerve have?

zygomaticotemporal n
zygomaticofacial n

39

what does the communicating branch connect?

V1 and V2

40

what 2 things go through the pterygoid canal?

vidian n of pterygoid canal
pterygoid branch of maxillary a

41

what 2 things does the pterygoid canal connect?

foramen lacerum and sphenopalatine foramen

42

what bone is associated with the pterygoid canal?

sphenoid bone

43

what goes through foramen lacerum??

NADA NOTHING DAMN IT IS STUPID

44

where do the preganglionic sympathetic fibers come from?

T1-L2

45

where do the postganglionic sympathetic fibers synpase

superior cervical ganglion

46

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

Hop on internal carotid plexus (ICA)

47

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

deep petrosal nerve

48

where does the parasympathetic preganglionic fibers start?

geniculate ganglion of VII

49

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

greater petrosal nerve

50

what is the path of parasympathetics?

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

51

what fibers leave the pterygoid palatine ganglion?

postganglion sympathetic
postganglionic parasympathetic

52

what is the path of the sympathetics?

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

53

what canal is superior/lateral to vomer bone?

pharyngeal canal

54

what are 2 things that go through pharyngeal canal?

pharyngeal n
pharyngeal branch of maxillary artery

55

what does the pharyngeal nerve innervate

pharyngeal mucosa structures
nasal pharynx
oral pharynx

56

what trigeminal division does greater and lesser palatine nerve

CN V2

57

what foramen does greater and lesser palatine nerve go through?

greater and lesser palatine foramen

58

what 3 things goes through palatine canal?

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

59

what is the inferior exit of the pterygopalatine fossa?

palatine canal

60

what does the vidian nerve of pterygoid canal supply?

lacrimal gland, nasal, and palatal glands

61

what does the greater palatine nerve go through?

incisive canal