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anatomy > oral cavity > Flashcards

oral cavity Flashcards

1
Q

main tissues of oral cavity

A

cheeks,

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2
Q

gingivae are

A

gums

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3
Q

buccinator is innervated by

A

cranial nerve 7

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4
Q

gingivae have sensory information from

A

V2(top) and V3(bottom)

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5
Q

each of the 4 quadrants of teeth have

A

two incisors

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6
Q

incisors are for

A

chopping

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7
Q

canines are for

A

shredding

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8
Q

molars are for

A

grinding

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9
Q

each tooth has

A

enamel, neck, pulp cavity and root

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10
Q

what supplies the maxillary teeth with blood

A

superior alveolar vessels

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11
Q

the superior alveolar vessels are coming off of which artery

A

maxillary artery

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12
Q

sensory to the maxilla is provided by the

A

superior alveolar nerve

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13
Q

superior alveolar nerve branches off of which nerve

A

V2

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14
Q
A
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15
Q

what is the blood supply for the mandibular teeth

A

inferior alveolar vessels

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16
Q

the inferior alveolar vessels branch off

A

maxillary artery

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17
Q

the sensory for the mandibular teeth come from

A

inferior alveolar nerves (branch of CN V3)

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18
Q

the root of the tongue is located and contains

A

posterior 1/3 of tongue, oropharynx and lingual tonsil

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19
Q

what is the terminal sulcus and what surface is it on

A

separates the anterior 2/3 of the tongue from the posterior 1/3 on dorsal surface

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20
Q

location and contents of the body of the tongue

A

oral cavity, contains lingual papillae (bumps)

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21
Q

what is the lingual frenulum

A

midline mucosal fold that connects the floor and the oral cavity

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22
Q

what is the action of the intrinsic muscles of the tongue. Most notable with ____

A

fine movement shaping of the tongue (speaking)

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23
Q

what is the action of the extrinsic muscles of the tongue. Most notable with

A

allows gross/large movements and anchor the tongue to control position

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24
Q

what are the extrinsic muscles of the tongue

A

genioglossus, styloglossus, hyoglossus

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25
Q

what muscles of the tongue allow for side movement

A

genioglossus (unilaterally)

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26
Q

what muscle depresses the tongue

A

hyoglossus

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27
Q

what muscle protrudes the tongue

A

genioglossus (bilateral)

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28
Q

what muscle retrudes the tongue

A

styloglossus

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29
Q

motor function of the tongue is supplied by

A

hypoglossal nerve

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30
Q

the sensory innervation to the anterior 2/3 or the tongue are supplied by

A

CN V3, the lingual nerve

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31
Q

the glossopharyngeal nerve allows sensory information for what portion of the tongue

A

posterior 2/3 of tongue

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32
Q

the special sensory for the anterior 2/3 come from ______, more specifically the _____

A

cranial nerve 7, chorda tympani

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33
Q

if messgaes couldnt get to the chorda tympani

A

could feel tongue but not taste

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34
Q

the posterior 1/3 of special sensory for tongue

A

glossopharyngeal

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35
Q

special sensory for the epiglottis region is due to

A

the internal laryngeal of the Vagus nerve

36
Q

blood supply for the tongue comes from

A

lingual artery

37
Q

the lingual artery is a branch off the

A

external carotid artery

38
Q

the venous drainage of the tongue go to the

A

lingual veins

39
Q

lingual veins drain to

A

internal jugular vein

40
Q

the parotid gland can have influence over structures of which cavity

A

oral

41
Q

position of parotid gland in relation to ear

A

anterior and inferior

42
Q

pregang fibers are names _____ a branch off which cranial nerve

A

lesser petrosal nerve, glossopharyngeal

43
Q

CRANIAL NERVE CELL BODIES

A

IN THE BRAIN

44
Q

what happens at the otic ganglion

A
45
Q

after the otic ganglion

A
46
Q

post gang cell bodies are in

A

target organ

47
Q

what nerve

A
48
Q

submandibular and sublingual are described as ____ and are influenced by which crainial nerve

A

parasympathetic, cranial nerve 7 chorda tympani

49
Q

what two glands have the samw parasympathetics

A

submandibular and sublingual nerve

50
Q

temporomandibular joing it what type of joint

A

synovial

51
Q
A
52
Q

_____ is present in the TMJ, creating ___

A

fibrocartilaginous disc, creating superior and inferior compartments

53
Q

elevatin of the mandible is

A

closing

54
Q

depression of the mandible is

A

opening

55
Q

protruson of the jaw is

A

jutting forward

56
Q

name the main muscles of mastication

A

temporalis, masseter, lateral pterygoid, medal pterygoid

57
Q

the muscles of mastication are innervated by

A

cranial nerve V3

58
Q

which muscles are not muscles of mastication but assist in movements

A

suprahyoid and infrahyoid

59
Q

where is the masseter and what is the function

A

infratemporal fossa..elevation, protrusion and lateral deviation

60
Q

the zygomatic arch is the divide for

A

infratemporal and supratemporal

61
Q

temproalis is within which fossa

A

temporal and infratemporal

62
Q

the temporalis attaches which two bones

A

skull to mandible

63
Q

temporalis orginates

A

cranium

64
Q

what movement sets temporalis from masseter

A

protrusion is masseter, retrusion is temporalis

65
Q

where are the pterygoids

A

from sphenoid to mandible

66
Q

which pterygoid attaches to articular disc of tmj

A

lateral

67
Q

what is the pterygoid helps with opening

A

lateral

68
Q

which pterygoid helps with closing

A

medial pterygoid

69
Q
A
70
Q
A
71
Q
A
72
Q
A
73
Q

pathway for venous drainage of the pterygoid plexus

A

drains to maxillary vein, meeting with the temporal vein forming the retromandibular vein, draining into the internal

74
Q

maxillary artery supplies the

A

buccinator and muscles of mastication

75
Q

how does blood leave the face

A

pterygoid plexus, maxillary vein, superficial temporal forming retromandibular and draining to internal jugular

76
Q

blockage in maxillary veins, where would we see increased fluid

A

venous plexus because the fluid would nt be able to leabe

77
Q

location of pterygopalatine fossa

A
78
Q

what foramen resides in the pterygopalatine fossa

A
79
Q

what fissure resides in the pterygopalatine fossa

A
80
Q

what structures are in the pterygopalatine fossa

A

maxillary nerve(v2), superior alveolar,

81
Q

ganglion present within pterygopalatine fossa and their influence

A

pterygopalatine ganglia, related to facial nerve, lacrimal gland and mucosa

82
Q

what cranial nerves are involved in gag reflex

A
83
Q

what cn have motor input to gag reflex

A
84
Q

what cn have sensory input to gag reflex

A
85
Q

genioglossus paralysis causes

A

tongue to shift posteriorly, airway obstruction, suffocation

86
Q

hypoglossal nerve injusry causes atrophy of

A

tongue

87
Q

what would cause a tongue to rest toward the right

A

anatomy (8 decks)

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