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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
what muscles of the tongue allow for side movement
genioglossus (unilaterally)
26
what muscle depresses the tongue
hyoglossus
27
what muscle protrudes the tongue
genioglossus (bilateral)
28
what muscle retrudes the tongue
styloglossus
29
motor function of the tongue is supplied by
hypoglossal nerve
30
the sensory innervation to the anterior 2/3 or the tongue are supplied by
CN V3, the lingual nerve
31
the glossopharyngeal nerve allows sensory information for what portion of the tongue
posterior 2/3 of tongue
32
the special sensory for the anterior 2/3 come from ______, more specifically the _____
cranial nerve 7, chorda tympani
33
if messgaes couldnt get to the chorda tympani
could feel tongue but not taste
34
the posterior 1/3 of special sensory for tongue
glossopharyngeal
35
special sensory for the epiglottis region is due to
the internal laryngeal of the Vagus nerve
36
blood supply for the tongue comes from
lingual artery
37
the lingual artery is a branch off the
external carotid artery
38
the venous drainage of the tongue go to the
lingual veins
39
lingual veins drain to
internal jugular vein
40
the parotid gland can have influence over structures of which cavity
oral
41
position of parotid gland in relation to ear
anterior and inferior
42
pregang fibers are names _____ a branch off which cranial nerve
lesser petrosal nerve, glossopharyngeal
43
CRANIAL NERVE CELL BODIES
IN THE BRAIN
44
what happens at the otic ganglion
45
after the otic ganglion
46
post gang cell bodies are in
target organ
47
what nerve
48
submandibular and sublingual are described as ____ and are influenced by which crainial nerve
parasympathetic, cranial nerve 7 chorda tympani
49
what two glands have the samw parasympathetics
submandibular and sublingual nerve
50
temporomandibular joing it what type of joint
synovial
51
52
_____ is present in the TMJ, creating ___
fibrocartilaginous disc, creating superior and inferior compartments
53
elevatin of the mandible is
closing
54
depression of the mandible is
opening
55
protruson of the jaw is
jutting forward
56
name the main muscles of mastication
temporalis, masseter, lateral pterygoid, medal pterygoid
57
the muscles of mastication are innervated by
cranial nerve V3
58
which muscles are not muscles of mastication but assist in movements
suprahyoid and infrahyoid
59
where is the masseter and what is the function
infratemporal fossa..elevation, protrusion and lateral deviation
60
the zygomatic arch is the divide for
infratemporal and supratemporal
61
temproalis is within which fossa
temporal and infratemporal
62
the temporalis attaches which two bones
skull to mandible
63
temporalis orginates
cranium
64
what movement sets temporalis from masseter
protrusion is masseter, retrusion is temporalis
65
where are the pterygoids
from sphenoid to mandible
66
which pterygoid attaches to articular disc of tmj
lateral
67
what is the pterygoid helps with opening
lateral
68
which pterygoid helps with closing
medial pterygoid
69
70
71
72
73
pathway for venous drainage of the pterygoid plexus
drains to maxillary vein, meeting with the temporal vein forming the retromandibular vein, draining into the internal
74
maxillary artery supplies the
buccinator and muscles of mastication
75
how does blood leave the face
pterygoid plexus, maxillary vein, superficial temporal forming retromandibular and draining to internal jugular
76
blockage in maxillary veins, where would we see increased fluid
venous plexus because the fluid would nt be able to leabe
77
location of pterygopalatine fossa
78
what foramen resides in the pterygopalatine fossa
79
what fissure resides in the pterygopalatine fossa
80
what structures are in the pterygopalatine fossa
maxillary nerve(v2), superior alveolar,
81
ganglion present within pterygopalatine fossa and their influence
pterygopalatine ganglia, related to facial nerve, lacrimal gland and mucosa
82
what cranial nerves are involved in gag reflex
83
what cn have motor input to gag reflex
84
what cn have sensory input to gag reflex
85
genioglossus paralysis causes
tongue to shift posteriorly, airway obstruction, suffocation
86
hypoglossal nerve injusry causes atrophy of
tongue
87
what would cause a tongue to rest toward the right

anatomy (8 decks)

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