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Anatomy II: Exam II > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

posterior extend of oral cavity proper

A

oropharyngeal isthmus

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2
Q

2 arches in oral cavity, and structure lying between them

A
  1. palatoglossal arch
  2. palatopharyngeal arch

palatine tonsils

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3
Q

borders of oral cavity

A

roof: hard and soft palate
floor: tongue and sublingual area
ant/lat: teeth and gums
post/lat: 2 arches

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4
Q

what forms palatine aponeurosis

A

tensor veli palatini

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5
Q

innervation of tensor veli palatina

A

V3

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6
Q

action and innervation of levator veli palatini

A

elevates and retracts soft palate

inn: CN X (pharyngeal br)

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7
Q

what is ascending palatine artery a br of

A

facial a

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8
Q

what is palatine artery a br of

A

ascending pharyngeal a

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9
Q

venous drainage of oral cavity

A

to pterygoid and pharyngeal plexuses

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10
Q

where does the nasopalatine n pass?

A

incisive foramen

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11
Q

what is the space around tonsils called

A

fauces

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12
Q

lingual n

A

br of V3, emerges between lat and med pterygoid mm

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13
Q

CN XII

A
  • deep to post belly of digastric and stylohyoid mm
  • runs ant btwn submandibular gland and hyoglossus m
  • inf to lingual n
  • ends in post tongue to provide motor innervation
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14
Q

CN IX

A
  • general and special sensory
  • lat to stylopharyngeus mm
  • ends in post tongue to provide motor inn
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15
Q

innervation of extrinsic tongue mm

A

CN XII EXCEPT palatoglossus (CN X)

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16
Q

innervation of intrinsic tongue mm

A

CN XII

17
Q

brs of lingual a

A
  1. dorsal lingual a
  2. sublingual a
  3. deep lingual a
18
Q

special sensory to tongue

A
  1. chorda tympani: CN VII, taste to ant 2/3
  2. glossopharyngeal: CN IX, taste to post 1/3
  3. vagus: CN X, taste from root of tongue and epiglottis
19
Q

general sensory to tongue

A
  1. lingual n (V3): ant 2/3
  2. glossopharyngeal: post 1/3
  3. vagus: root of tongue and epiglottis
20
Q

n and a to ant max teeth

A

ASA

a. is br of infraorbital a

21
Q

n and a to premolar max teeth

A

MSA

a. is br of infraorbital a

22
Q

n and a to post max teeth

A

PSA

a. is br of maxillary a

23
Q

n and a to mandibular teeth

A

IA

a. is br of maxillary a

24
Q

n and a to ant mand teeth

A

incisive

25
Q

epithelial membrane

A

epithelial tissue bound to underlying CT

26
Q

types of epi membrane

A
  1. cutaneous
  2. mucous
  3. serous
27
Q

primary epithelium found in oral cavity and layers it contains

A

nonkeratinized stratified squamous epithelium

s basale, s spinosum, s superficialis

28
Q

filiform papilla

A

cones point posteriorly, for licking, no taste buds, highly keratinized

29
Q

fungiform papilla

A

mushroom shape, lightly keratinized

30
Q

circumvallate papilla

A

contains von ebner glands (produce saliva), lateral walls have taste buds

31
Q

foliate papilla

A

taste buds on lat walls, like folds, mainly in kids

32
Q

cell type of taste buds

A

neuroepithelium, supporting, basal

33
Q

periodontium

A

cementum, perio ligament, alveolar bone, gingiva

34
Q

2 cells types in salivary glands

A
  1. serous: polarized, secrete proteins, secretory granules=zymogen granules, basophilic cytoplasm
  2. mucous: produce hydrophilic glycoprotein mucins, cuboidal/columnar
35
Q

types of acini

A
  1. serous- spherical
  2. mucous- tubular
  3. mixed- both
36
Q

salivon

A

basic unit of salivary gland composed of

  1. acinus
  2. intercalated duct
  3. striated duct
  4. excretory duct
37
Q

what type of gland is parotid

A

serous

38
Q

what type of gland is sublingual

A

mucous

39
Q

tonsils

A

lymphatic tissue, have large crypts with basal cells at base

  1. palatine tonsils
  2. pharyngeal tonsils
  3. lingual tonsils

Anatomy II: Exam II (12 decks)

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