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NBDE anatomy > page 48-57 > Flashcards

page 48-57 Flashcards

1
Q

superficial insertion of masseter

A

angle of mandible

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2
Q

lateral ramus

A

deep insertion of masseter

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3
Q

superficial origin of masseter

A

zyg process of maxilla and ant 2/3 zyg arch

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4
Q

zyg arch(inner post 1/3)

A

deep origin of masseter

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5
Q

action is elevation ,retrusion,

ips excursion

A

masseter and temporalis

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6
Q

retrusion of deep and post fibers

A

masseter

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7
Q

elevation of ant and sup fibers

A

temporalis

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8
Q

retrusion of post fibers

A

temporalis

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9
Q

origin; temporalis

A

curvilinear lower temporal line

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10
Q

insertion is medial coronoid and ant ramus

A

temporalis

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11
Q

origin is temporal fossa and fascia

A

temporalis m.

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12
Q

origin is medial side of lat pterygoid plate

A

Medial pterygoid

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13
Q

insertion; medial side of mand angle

A

medial pterygoid

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14
Q

action is elevation, protrusion ,contrala. excursion

A

M. pterygoid

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15
Q

sup. origin of lateral pterygoid

A

> wing of sphenoid bone

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16
Q

inf origin of lat pterygoid

A

lat side of lat ptarygoid plate

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17
Q

sup insertion of lat pterygoid

A

art. capsule and disc

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18
Q

inf insertion of lat pterygoid

A

ant condylar kneck

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19
Q

action;lat perygoid

A

protrusion depression and contralat excursion

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20
Q
A
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21
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A
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22
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23
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24
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25
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26
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27
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A
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28
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A
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29
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30
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31
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A
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32
Q
A
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33
Q
A
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34
Q
A
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35
Q

opening of mandible

A

lat pterygoid

suprahyoid

infrahyoid

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36
Q

temporalis

masseter

medial pterygoid

A

closing mandible

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37
Q

M and L pterygoid

A

protrusion

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38
Q

deep masseter

temporalis

A

retrusion

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39
Q

M and L pterygoid

A

excursion

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40
Q

TMJ

A

bilat synovial joint

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41
Q

tf upper compartment of TMJ is for rotation

A

F for translation and lower is for rotation

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42
Q
A
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43
Q

art capsule surround joint with — internally

A

synovium

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44
Q

condyle of mandible

A

elliptical shape with ML orientation

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45
Q

post condyle

A

round and convex

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46
Q

AI aspect of condyle

A

concave

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47
Q

glenoid/ mandibular fossa

A

concave

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48
Q

art eminence

A

ant part of glenoid fossa

convex

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49
Q

dense fibrocartiledge

A

joing the glenoid fossa and condyle

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50
Q

art disc

A

b/n articular surface of condyle and mand fossa

fibrocart biconcave disc

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51
Q

art disc

A

attach peripherally to capsule and ant to lat pterygoid

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52
Q

art disc

A

attach M and L poles of condyle via collateral lig

53
Q
A
54
Q
A
55
Q

tf post band of art disc is continuous with post attachment tissues

A

T

56
Q
A

vasc and inervated

57
Q

art capsule

A

fibrous capsule surround TMJ

58
Q

S attachment to glenoid fossa

A

art capsule

59
Q

attach inf to condylar neck

A

art capsule

60
Q

line internal surface of joint capsule

A

synovium

61
Q

synovium

A

sec synovial fluid for joint lubrication

62
Q

tf synoviium covers art surface or art disc

A

F doesnt

63
Q

nerves of TMJ

A

only sensory info

64
Q

auriculotemp nerve

A

prim. innervation of TMJ

65
Q

transmits pain in capsule and periphary of disc

A

auriculotemporal nerve

66
Q

provide PS to parotid gland via < pet nerve

A

auriculotemporal nerve

67
Q

nerve to masseter of V3

A

sens fibvers to ant part of TMJ

68
Q

post deep temporal nerve of V3

A

ant part of TMJ

69
Q

TMJ lig outer oblique

A

prevent post and inf displacement

70
Q

TMJ lig inner horizontal part

A

prevent lat or mesial displacement

71
Q

remnant of meckels cart

A

ass lig.

72
Q

connect styloid process to mand angle

A

stylomand lig

73
Q

sphenomand lig

A

thick fibrous band connecting spinf of sphenoid with lingula of mandible

74
Q

dislocated ant

A

TMJ

75
Q

luxation of TMJ

A

assistance for reduction

76
Q

sublaxation

A

auto reduces

77
Q

TMJ disc placement

A

anteromedially

78
Q

what happens in TMJ disc placement

A

coll lig loosen of tear. lat pterygoid pull disc anteromedially

79
Q

ass with osteoarth of condyle

A

Crepitus

80
Q

with self reducing sublaxation of condyle

A

dull thud

81
Q

disc clicks over ant moving condyle

A

opneing of tMJ wth ant disc displacement

82
Q

second click hapens

A

after opening

83
Q

condyle move post past disc

A

closing of condyle

84
Q

10 mm

A

protrusive and lateral range of mandible

85
Q

50mm

A

opening of TMJ

86
Q

translation occurs

A

with large movement

sliding occurs outside of mand fossa

87
Q
A
88
Q
A
89
Q
A
90
Q
A
91
Q
A
92
Q
A
93
Q
A
94
Q
A
95
Q

atlas

A

C1

96
Q

axis

A

C2(dens or odontoid process)

97
Q

no vertebral bdy

A

C1

98
Q

passage of vert body

A

transverse foramen

99
Q

occ condyle and C1 sup facet

A

AO joint

100
Q

flex and extend

A

AO joint

101
Q

C1 inf facet with C2 sup facet

A

AA joint

(no head shake)

102
Q

pretracheal layer

A

esoph

larynx

pharynx

thyroid gland

103
Q

cut nerve

blood lymp

fat platysma

A

subcut tissue

104
Q

vert and deep cerv muscles

A

prevert layer

105
Q

subcut tissue

A

cut nerve blood lymph

fat platysma

106
Q

deep cervical fascia

investing layer

A

SCM

trapezius

Submand gland

parotid gland

107
Q

platysma

A

cerv br of CN7

blends with orb oris

108
Q

sup to deep cerv fascia

A

platysma

109
Q

superior portio of investing layer of deep cerv fascia

A

sup nuchal line

mastoid process

zyg arches

inf border of mandible

hyoid bone

spinous process of cerv vertebrae

110
Q

sup and deep layers to invest trapezius and SCM

A

deep cerv fascia

111
Q

enclose submand gland

A

deep cervical fascia

112
Q

form fibrous capsule of paroid gland

A

investing layer of deep cervical fascia

113
Q

manubrium

clavicle

acromions

spines of scapule

A

investing layer of deep cerv fascia

114
Q

pretracheal layer

A

hyoid to thorax

115
Q

thing muscular layer enveloping infrahyoid m.

A

pretracheal layer

116
Q

visceral layer

A

thyorid gland

trachea

esophogus

117
Q

blends lat with carotid sheath

A

Pretracheal layer

118
Q

visceral alyer of pretracheal layer

A

continuous with buccopharyngeal fascia

119
Q

carotid sheath

A

base of cranium to root of kneck

120
Q

carotid sheath

A

blends with investing and pretracheal fascia ant

121
Q

blends with prevert fascia post

A

carotid sheath

122
Q

contents of carotid sheath

A

Common carotid artery

IJV

CN10

LN , carotid sinus nerve ,sym. nerve

123
Q

Prevertebral Layer

A

investing layer of both side of lat neck and splits to enclose thyroid

124
Q

superiorly attaches to laryngel acartieldges

A

prevert cartiledge

125
Q

inferiorly fuses with perichondrium

A

prevert layer

126
Q

fuses with ant long lig

A

prevert layer

127
Q

retropharyngeal space

A

b/n pharynx and prevert fascia

128
Q

comm. with mediastinum

A

retropharyngeal space

NBDE anatomy (23 decks)

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