page 48-57 Flashcards Preview

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Flashcards in page 48-57 Deck (128):
1

superficial insertion of masseter

angle of mandible

2

lateral ramus

deep insertion of masseter

3

superficial origin of masseter

zyg process of maxilla and ant 2/3 zyg arch

4

zyg arch(inner post 1/3)

deep origin of masseter

5

action is elevation ,retrusion,

ips excursion

masseter and temporalis

6

retrusion of deep and post fibers

masseter

7

elevation of ant and sup fibers

temporalis

8

retrusion of post fibers

temporalis

9

origin; temporalis

curvilinear lower temporal line

10

insertion is medial coronoid and ant ramus

temporalis

11

origin is temporal fossa and fascia

temporalis m.

12

origin is medial side of lat pterygoid plate

Medial pterygoid

13

insertion; medial side of mand angle

medial pterygoid

14

action is elevation, protrusion ,contrala. excursion

M. pterygoid

15

sup. origin of lateral pterygoid 

> wing of sphenoid bone

16

inf origin of lat pterygoid

lat side of lat ptarygoid plate

17

sup insertion of lat pterygoid

art. capsule and disc

18

inf insertion of lat pterygoid

ant condylar kneck

19

action;lat perygoid

protrusion depression and contralat excursion

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opening of mandible

lat pterygoid 

suprahyoid 

infrahyoid

36

temporalis 

masseter

medial pterygoid

closing mandible

37

M and L pterygoid

protrusion

38

deep masseter

temporalis

retrusion

39

M and L pterygoid 

excursion

40

TMJ

bilat synovial joint

41

tf upper compartment of TMJ is for rotation

F for translation and lower is for rotation

42

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art capsule surround joint with ---  internally

synovium

44

condyle of mandible

elliptical shape with ML orientation

45

post condyle

round and convex

46

AI aspect of condyle

concave

47

glenoid/ mandibular fossa

concave

48

art eminence

ant part of glenoid fossa

convex

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dense fibrocartiledge 

joing the glenoid fossa and condyle

50

art disc

b/n articular surface of condyle and mand fossa

fibrocart biconcave disc

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art disc 

attach peripherally to capsule and ant to lat pterygoid

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art disc

attach M and L poles of condyle via collateral lig

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

T

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art capsule

fibrous capsule surround TMJ

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S attachment to glenoid fossa

art capsule

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attach inf to condylar neck

art capsule

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line internal surface of joint capsule

synovium

61

synovium

sec synovial fluid for joint lubrication

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tf synoviium covers art surface or art disc

F doesnt

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nerves of TMJ

only sensory info

64

auriculotemp nerve 

prim. innervation of TMJ

65

transmits pain in capsule and periphary of disc

auriculotemporal nerve

66

provide PS to parotid gland via < pet nerve

auriculotemporal nerve

67

nerve to masseter of V3

sens fibvers to ant part of TMJ

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post deep temporal nerve of V3

ant part of TMJ

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TMJ lig outer oblique

prevent post and inf displacement

70

TMJ lig inner horizontal part

prevent lat or mesial displacement

71

remnant of meckels cart

ass lig.

72

connect styloid process to mand angle

stylomand lig

73

sphenomand lig

thick fibrous band connecting spinf of sphenoid with lingula of mandible

74

dislocated ant

TMJ

75

luxation of TMJ

assistance for reduction

76

sublaxation

auto reduces

77

TMJ disc placement

anteromedially

78

what happens in TMJ disc placement

coll lig loosen of tear. lat pterygoid pull disc anteromedially

79

ass with osteoarth of condyle

Crepitus

80

with self reducing sublaxation of condyle

dull thud

81

disc clicks over ant moving condyle

opneing of tMJ wth ant disc displacement

82

second click hapens

after opening

83

condyle move post past disc

closing of condyle

84

10 mm

protrusive and lateral range of mandible

85

50mm

opening of TMJ

86

translation occurs

with large movement

sliding occurs outside of mand fossa

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atlas

C1

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axis

C2(dens or odontoid process)

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no vertebral bdy

C1

98

passage of vert body

transverse foramen

99

occ condyle and C1 sup facet

AO joint

100

flex and extend

AO joint

101

C1 inf facet with C2 sup facet

AA joint

(no head shake)

102

pretracheal layer

esoph

larynx 

pharynx

thyroid gland

103

cut nerve

blood lymp

fat platysma

subcut tissue

104

vert and deep cerv muscles

prevert layer

105

subcut tissue 

cut nerve blood lymph

fat platysma

106

deep cervical fascia

investing layer

SCM 

trapezius

Submand gland 

parotid gland

107

platysma 

cerv br of CN7 

blends with orb oris

108

sup to deep cerv fascia

platysma

109

superior portio of investing layer of deep cerv fascia

sup nuchal line

mastoid process

zyg arches

inf border of mandible

hyoid bone

spinous process of cerv vertebrae

110

sup and deep layers to invest trapezius and SCM

deep cerv fascia

111

enclose submand gland

deep cervical fascia

112

form fibrous capsule of paroid gland

investing layer of deep cervical fascia

113

manubrium 

clavicle

acromions 

spines of scapule

investing layer of deep cerv fascia

114

pretracheal layer

hyoid to thorax

115

thing muscular layer enveloping infrahyoid m.

pretracheal layer

116

visceral layer 

thyorid gland 

trachea

esophogus

117

blends lat with carotid sheath

Pretracheal layer

118

visceral alyer of pretracheal layer 

continuous with buccopharyngeal fascia

119

carotid sheath

base of cranium to root of kneck

120

carotid sheath

blends with investing and pretracheal fascia ant

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blends with prevert fascia post

carotid sheath

122

contents of carotid sheath

Common carotid artery

IJV

CN10

LN , carotid sinus nerve ,sym. nerve

123

Prevertebral Layer

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

124

superiorly attaches to laryngel acartieldges

prevert cartiledge

125

inferiorly fuses with perichondrium

prevert layer

126

fuses with ant long lig

prevert layer

127

retropharyngeal space

b/n pharynx and prevert fascia

 

128

comm. with mediastinum 

retropharyngeal space