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Gross Anatomy Exam 4 > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

Blood supply to lips

A

Superior and inferior labial arteries (branches of facial) - lips
mental artery (inferior alveolar) - chin
buccal (maxillary) - cheek

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2
Q

fauces

A

junction between oral cavity and oropharynx

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3
Q

palatoglossal arch/fold

A

anterior boundary of palatine tonsilar bed

formed by palatoglossus covered by mucosa

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4
Q

palatopharyngeal arch/fold

A

posterior boundary of palatine tonsilar bed

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5
Q

sublingual fold

A

formed by sublingual salivary gland under tongue

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6
Q

sublingual caruncle

A

contains opening for submandibular duct

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7
Q

parotid papilla

A

opening of parotid duct opposite 2nd mx molar

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8
Q

What structures run through the incisive foramen?

A

nasopalatine nerve

septal artery

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9
Q

Sensation from mucosa of palate

A

maxillary trigeminal (v2)

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10
Q

innervation of the palatine glands

A

facial (VII)

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11
Q

palatoglossus

A

forms palatoglossal fold when covered with mucosa
aponeurosis - side of tongue
A: approx soft palate to oropharynx during swallowing
N: vagus (x)

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12
Q

palatopharyngeus

A

forms palatopharyngeal arch
hard/soft palate - posterior thyroid cartilage/pharyngeal constrictor
A: close nasopharynx during swallowing
N: vagus (X)

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13
Q

musculus uvulae

A

posterior nasal spine - palatine aponeurosis
A: elevates uvula
N: vagus (x)

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14
Q

oropharynx

A

posterior to oral cavity

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15
Q

which muscles insert into the pterygomandibular raphe

A

superior pharyngeal constrictor (medial)

buccinator (lateral)

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16
Q

blood supply to palatine tonsil is formed by tonsillar branches from:

A 
lesser palatine (maxillary)
facial (external carotid)
ascending pharyngeal (external carotid)
ascending palatine (facial)
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17
Q

arterial supply to the teeth

A

anterior superior alveolar (infraorbital)
middle superior alveolar (infraorbital)
posterior superior alveolar (maxillary)
inferior alveolar (maxillary)

18
Q

innervation of the teeth

A 
anterior/middle/posterior superior alveolar nerves (V2)
inferior alveolar (V3)
19
Q

gingival proper

A

attached

20
Q

alveolar mucosa

A

unattached gingiva

mobile, red

21
Q

filiform papillae

A

most numerous
conical
general sensory
no taste buds

22
Q

fungiform papillae

A

mushroom shaped
spots scattered among filiform papillae
taste buds

23
Q

foliate papillae

A

fold/leaf
sides of tongue
taste receptors

24
Q

vallate papillae

A

large
form v shaped pattern at back of body of tongue
walls have taste buds
trenches around them
serous glands open into trenches to prevent blockage

25
Q

terminal sulcus

A

between body and root of tongue

site of descent of thyroid

26
Q

what is present on the root of the tongue

A

taste buds

lingual tonsil

27
Q

innervation of the body of the tongue

A

sensation - mandibular trigeminal (v3) (lingualbranch)

taste - facial (VII) (chorda tympani)

28
Q

innervation of root of tongue

A

taste and sensation - glossopharyngeal (IX)

29
Q

innervation of posterior tongue and epiglottis

A

general sensation and taste - vagus (x)

30
Q

genioglossus

A

mental spine of mandible - tongue/hyoid
A: depresses, protrudes tongue
N: hypoglossal (XII)

31
Q

hyoglossus

A

lateral hyoid/side and inferior aspect of tongue
A: depresses, retracts tongue
N: hypoglossal (XII)

32
Q

styloglossus

A

styloid process/styloid ligament - side of tongue posteriorly
A: elevates, retracts tongue
N: hypoglossal (XII)

33
Q

how are the intrinsic muscles of the tongue arranged

A

superior: longitudinal
middle: vertical and transverse
inferior: longitudinal
A: change shape of tongue with speech and food manipulation
N: hypoglossal (XII)

34
Q

innervation/arteries/veins of parotid gland

A

N: parasympathetics from glossopharyngeal (IX) via lesser petrosal nerve
A: branches of external carotid and superficial temporal arteries
V: retromandibular vein

35
Q

N/a/v submandibular gland

A

N: parasympathetics from facial (VII) via chorda tympani
A: submental branch of facial artery
V: facial vein

36
Q

n/a/v sublingual gland

A

N: parasympathetics from facial (VII) via chorda tympani
A: lingual and facial arteries
V: lingual vein

37
Q

what are the contents of the sublingual space

A

sublingual gland
lingual nerve - submandibular ganglion
submandibular duct
hypoglossal nerve (XII)

38
Q

what parts of the lip drain into the submandibular nodes

A

upper lip

lateral lower lip

39
Q

what parts of the lip drain into the submental nodes

A

middle lower lip

40
Q

lymphatic drainage from the root of the tongue

A

superior deep cervical lymph nodes

41
Q

lymphatic drainage from the tip of the tongue

A

submental lymph nodes

42
Q

lymph drainage from middle of tongue

A

inferior deep cervical lymph nodes

submandibular lymph nodes

Gross Anatomy Exam 4 (8 decks)

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