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SP16 Anatomy Exam 2 > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

what is the posterior extent of the oral cavity

A

palatoglossal arch

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2
Q

what is the epithelium of the oral cavity

A

keratinized, nonkeratinized, parakeratinized stratified squamous

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3
Q

whats the neurovascularature of hard palate

A

greater palatine n

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4
Q

what two muscles help raise the soft palate

A

tensor veli palatini (right and left)

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5
Q

what are 2 muscles of the soft palate

A

palatopharyngeus m

palatoglossus m

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6
Q

what muscle is between lateral and medial pterygoid plates

A

tensor veli palatini

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7
Q

what other muscle helps raise the soft palate

A

levator veli palatini

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8
Q

what are the 3 arteries of the soft palate

A

descending palatine a
ascending palatine a
palatine a

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9
Q

where does the ascending palatine a branch off of

A

facial a (ECA)

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10
Q

where does the palatine a branch off of

A

ascending pharyngeal a (ECA)

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11
Q

Palatine veins drain where?

A

IJV from common facial

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12
Q

where do the sympathetics to the soft palate come from

A

deep petrosal nerve that hops on ICA

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13
Q

where do the parasympathetics come from?

A

greater petrosal nerve from CN VII

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14
Q

what innervates tensor veli palatini?

A

V3– MOTOR

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15
Q

what innervates

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

A

CN X- MOTOR

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16
Q

what 5 arteries supply palatine tonsils

A 
lesser palatine a
ascending pharyngeal a
ascending palatine a
facial a
dorsal lingual a
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17
Q

why can heavy bleeding occur with tonsillectomy?

A

so many artery branches

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18
Q

what nerve can be hit with a tonsillectomy?

A

CN IX

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19
Q

what does the submandibular duct run over?

A

lingual nerve

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20
Q

whats another name for the submandibular duct

A

wharton’s duct

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21
Q

what nerve emerges from the medial and lateral pterygoid m?

A

lingual nerve

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22
Q

what branch of CN V is lingual nerve from

A

V3

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23
Q

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

A 
chorda tympani (CN VII)
- taste to tongue
24
Q

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

A

external carotid plexus

25
Q

what is motor innervation to posterior tongue

A

CN XII

26
Q

what muscle of the tongue does CN XII not innervate

A

palatoglosseus (CN X)

27
Q

what is sensory innervation to posterior tongue?

A

CN IX

28
Q

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

A

deviation of tongue to paralyzed side

29
Q

what happens with bilateral paralysis of CN XII?

A

inability to protrude tongue

30
Q

what supplies most superficial structures of the oral cavity

A

facial a

31
Q

what supplies most of deep structures of the oral cavity

A

lingual a

32
Q

what are the 3 branches of the lingual artery

A

dorsal
deep
sublingual

33
Q

taste anterior 2/3?

A

chorda tympani (CN VII)

34
Q

posterior 1/3 taste?

A

IX

35
Q

taste for root of tongue and epiglottis?

A

X

36
Q

general sensory anterior 2/3?

A

lingual nerve-V3

37
Q

sensory posterior 1/3?

A

IX

38
Q

sensory of root of tongue and epiglottis?

A

X

39
Q

2 branches of the infraorbital a?

A

ant. supr. alveolar

mid supr. alveolar

40
Q

what supplies the oral cavity

A

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

41
Q

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

A

stratum basale
stratum spinosum
stratum superficiale

42
Q

what are the 4 types of papillae on the tongue

A

circumvallate
foliate
filiform
fungiform

43
Q

what are located as dorsal surface taste buds

A

fungiform

44
Q

which go away when you get older

A

foliate

45
Q

which are pointy and are most numerous highly keratinized

A

filiform

46
Q

which are nonkerattinzed and on the posterior part of tongue

A

circumvallate

47
Q

what surrounds the vallate papilla

A

von ebner glands

48
Q

what are special sensation taste receptors

A

chemoreceptors

49
Q

what are sensory receptor organs

A

taste buds

50
Q

what are cells of the taste bud

A

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

51
Q

what is the function of the major salivary glands

A

produce and secrete saliva

52
Q

what are the 2 types of salivary gland cells

A

serous

mucous

53
Q

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

A

mucous secreting cells

54
Q

what kind of cell type are parotid gland

A

branched acinar (SEROUS)

55
Q

what kind of cell type is sublingual gland

A

branches tubuloacinar (mixed but mostly mucous)

56
Q

what kind of cell type is submandibular

A

branched tubuloacinar (mixed but mostly serous)

57
Q

what are serous demilunes?

A

mucous cells pushing serous cells out

SP16 Anatomy Exam 2 (14 decks)

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