Oral Cavity Flashcards Preview

SP16 Anatomy Exam 2 > Oral Cavity > Flashcards

Flashcards in Oral Cavity Deck (57):
1

what is the posterior extent of the oral cavity

palatoglossal arch

2

what is the epithelium of the oral cavity

keratinized, nonkeratinized, parakeratinized stratified squamous

3

whats the neurovascularature of hard palate

greater palatine n

4

what two muscles help raise the soft palate

tensor veli palatini (right and left)

5

what are 2 muscles of the soft palate

palatopharyngeus m
palatoglossus m

6

what muscle is between lateral and medial pterygoid plates

tensor veli palatini

7

what other muscle helps raise the soft palate

levator veli palatini

8

what are the 3 arteries of the soft palate

descending palatine a
ascending palatine a
palatine a

9

where does the ascending palatine a branch off of

facial a (ECA)

10

where does the palatine a branch off of

ascending pharyngeal a (ECA)

11

Palatine veins drain where?

IJV from common facial

12

where do the sympathetics to the soft palate come from

deep petrosal nerve that hops on ICA

13

where do the parasympathetics come from?

greater petrosal nerve from CN VII

14

what innervates tensor veli palatini?

V3-- MOTOR

15

what innervates
levator veli palatini? palatoglossus, palatopharyngeus, musculus uvulae, salpingopharyngeus m

CN X- MOTOR

16

what 5 arteries supply palatine tonsils

lesser palatine a
ascending pharyngeal a
ascending palatine a
facial a
dorsal lingual a

17

why can heavy bleeding occur with tonsillectomy?

so many artery branches

18

what nerve can be hit with a tonsillectomy?

CN IX

19

what does the submandibular duct run over?

lingual nerve

20

whats another name for the submandibular duct

wharton's duct

21

what nerve emerges from the medial and lateral pterygoid m?

lingual nerve

22

what branch of CN V is lingual nerve from

V3

23

where do the parasymp fibers to the submandibular gland come from?

chorda tympani (CN VII)
- taste to tongue

24

where do the sympathetic fibers to the submandibular gland come from?

external carotid plexus

25

what is motor innervation to posterior tongue

CN XII

26

what muscle of the tongue does CN XII not innervate

palatoglosseus (CN X)

27

what is sensory innervation to posterior tongue?

CN IX

28

what could happen if unilateral paralysis of CN XII were to happen?

deviation of tongue to paralyzed side

29

what happens with bilateral paralysis of CN XII?

inability to protrude tongue

30

what supplies most superficial structures of the oral cavity

facial a

31

what supplies most of deep structures of the oral cavity

lingual a

32

what are the 3 branches of the lingual artery

dorsal
deep
sublingual

33

taste anterior 2/3?

chorda tympani (CN VII)

34

posterior 1/3 taste?

IX

35

taste for root of tongue and epiglottis?

X

36

general sensory anterior 2/3?

lingual nerve-V3

37

sensory posterior 1/3?

IX

38

sensory of root of tongue and epiglottis?

X

39

2 branches of the infraorbital a?

ant. supr. alveolar
mid supr. alveolar

40

what supplies the oral cavity

infraorbital (2 branches)
post supr alv
inferior alveolar
ALL FROM MAXILLARY

41

what are the 3 layers of the epithelium of the oral cavity

stratum basale
stratum spinosum
stratum superficiale

42

what are the 4 types of papillae on the tongue

circumvallate
foliate
filiform
fungiform

43

what are located as dorsal surface taste buds

fungiform

44

which go away when you get older

foliate

45

which are pointy and are most numerous highly keratinized

filiform

46

which are nonkerattinzed and on the posterior part of tongue

circumvallate

47

what surrounds the vallate papilla

von ebner glands

48

what are special sensation taste receptors

chemoreceptors

49

what are sensory receptor organs

taste buds

50

what are cells of the taste bud

neuroepithelial or gustatory or sensory cells, supporting cells, and basal cells

51

what is the function of the major salivary glands

produce and secrete saliva

52

what are the 2 types of salivary gland cells

serous
mucous

53

the parotid gland doesn't have what kind of secreting cells?

mucous secreting cells

54

what kind of cell type are parotid gland

branched acinar (SEROUS)

55

what kind of cell type is sublingual gland

branches tubuloacinar (mixed but mostly mucous)

56

what kind of cell type is submandibular

branched tubuloacinar (mixed but mostly serous)

57

what are serous demilunes?

mucous cells pushing serous cells out