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Anatomy Head And Neck > Infratemporal Fossa > Flashcards

Infratemporal Fossa Flashcards

1
Q

blue triangle space

A

pterygomaxillary fissure

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2
Q

the chorda tympani carries _______ fibers to the ________

A

preganglionic parasympathetics

submandibular ganglion

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3
Q

masseter action

A

elevate and protrude

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4
Q

blue arrow

A

preganglionic glossopharyngeal (CN IX) nerve via tympanic plexus and lesser petrosal

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5
Q

green arrow

A

lingual nerve

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6
Q

blue arrow

A

ramus of mandible

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7
Q

green arrow

A

nerve to mylohyoid (branch of the inferior alveolar nerve)

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8
Q

the third part of the maxillary artery has branches to the

A

upper jaw, nasal cavity, palate, face

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9
Q

red dot

A

lateral pterygoid plate

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10
Q

Green arrows

A

posterior/superior temporal lines

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11
Q

lateral movements of the anterior mandible can be produced by ______ use of muscles

A

unilateral

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12
Q

action of the medial pterygoid muscle

A

elevate and protrude mandible

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13
Q

green arrow

A

neck of the mandible

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14
Q

blue arrow

A

middle meningeal artery

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15
Q

red dot

A

infratemporal surface of the sphenoid bone

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16
Q

the lingual nerve carries ________ fibers to the _____

A

sensory

tongue

(green)

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17
Q

red arrow

A

inferior cavity (TMJ)

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18
Q

red arrow

A

styloid process

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19
Q

red arrow

A

lingual nerve

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20
Q

medial pterygoid muscle origin –> insertion

A

superficial: maxillary tuberosity –> medial surface of ramus of mandible
deep: medial surface of lateral pterygoid plate –> medial surface of ramus of mandible

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21
Q

which artery lies superficial or deep to the laterl pterygoid muscle? (population split 50/50)

A

maxillary artery

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22
Q

the inferior alveolar artery supplies blood to the

A

mandibular teeth

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23
Q

temporomandibular ligament origin –> insertion

A

thickened part of articular capsule –> temporal bone, neck of mandible

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24
Q

maxillary vein drains to the

A

retromandibular vein

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25
Q

pink dot

A

infratemporal fossa

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26
Q

green arrow

A

auricolutemporal nerve

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27
Q

muscles of mastication involved with elevation of the madible

A

temporalis, masseter, medial pterygoid

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28
Q

green arrow

A

medial pterygoid plate of the sphenoid bone

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29
Q

nerve to mylohyoid carries _______ fibers to the _______

A

motor

mylohyoid, anterior belly of digastric

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30
Q

blue dot

A

deep head of the medial pterygoid muscle

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31
Q

green dot

A

superior (upper) head or the lateral pterygoid muscle

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32
Q

blue arrow

A

maxillary artery

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33
Q

green arrow

A

pterygoid plexus of veins

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34
Q

which nerve encircles the meningeal artery

A

auricolutemporal nerve

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35
Q

The superior cavity of the TMJ allows what kind of movement

A

opening the mouth wide-

protrusion/retrusion (gliding/translation)

“anterior sliding” (blue arrow)

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36
Q

Temporalis action

A

elevate mandible, retract mandible

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37
Q

blue arrow

A

foramen spinosum of the sphenoid bone

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38
Q

the auricolutemporal nerve carries ________fibers:

A

parasympathetic postganglionic to parotid gland

39
Q

the mandibular nerve enters the infratemporal fossa through

A

foramen ovale

40
Q

green arrow

A

articular disc

41
Q

orange dot

A

pterion

42
Q

red arrow

A

anterior belly of digastric

43
Q

muscles of mastication involved in depression of the mandible

A

suprahyoid muscles, infrahyoid muscles, lateral pterygoid (and gravity!)

44
Q

blue arrow

A

medial surface of the lateral pterygoid plate

45
Q

blue arrow

A

sphenomandibular joint

46
Q

red arrow

A

medial surface of ramus of mandible

47
Q

red arrow

A

lingula

48
Q

blue arrow

A

maxillary vein

49
Q

blue arrow

A

superior cavity (TMJ)

50
Q

temporomandibular ligament action

A

restricts posterior and lateral movement

51
Q

blue arrow

A

branch of facial nerve (CN VII)

52
Q

2nd part of the maxillary artery has branches to

A

temporalis, pterygoids, masseter, buccinator

53
Q

red arrow

A

postganglionic going to parotid gland via auriculotemporal nerve

54
Q

muscles of mastication involved with retrusion of the mandible

A

temporalis posterior fibers (prime), anterior belly of digastric

55
Q

green arrow

A

chorda tympani

56
Q

blue arrow

A

maxillary vein

57
Q

ipslateral excursion produces what kind of lateral movement

A

retraction

58
Q

blue arrow

A

mandibular foramen, mandibular canal

59
Q

the inferior cavity of the TMJ allows for what kind of movement

A

First 10/15 degrees of opening th emouth

Hinge movement

(depression, elevation) (red arrow)

60
Q

green arrow

A

otic ganglion

61
Q

green arrow

A

inferior alveolar nerve

62
Q

blue dot

A

inferior (lower) head of the pterygoid muscle

63
Q

the middle meningeal artery passes through the

A

foramen spinosum

64
Q

red arrow

A

inferior alveolar artery

65
Q

purple dot

A

lateral pterygoid plate of the sphenoid bone

66
Q

green arrow

A

temporomandibular ligament

67
Q

temporalis origin –> insertion

A

floor of temporal fossa, deep surface of temporal fascia –> coronoid process

68
Q

the middle meningeal artery splits

A

the auriculotemporal nerve as it goes into the foramen spinosum

69
Q

blue arrow

A

inferior alveolar nerve entering the mandibular foramen

70
Q

lateral pterygoid origin –> insertion

A

superior: infratemporal surface of the greater wing of the sphenoid –> articular disc and capsule of TMJ
inferior: lateral surface of lateral pterygoid plate –> pterygoid fovea and capsule of TMJ

71
Q

blue arrow

A

middle meningeal artery

72
Q

red arrow

A

zygomatic arch

73
Q

purple arrow

A

auricular tubercle

74
Q

what innervates the TMJ

A

auricolutemporal nerve

75
Q

blue arrow

A

chorda tympani nerve (CN VII)

76
Q

blue arrow

A

mylohyoid

77
Q

contralateral excursion produces what kind of movement

A

protraction

78
Q

Masseter origin –> insertion

A

inferior border of zygomatic arch –> lateral surface of ramus and angle of the mandible

79
Q

temporalis innervation

A

mandibular nerve CN V3

80
Q

green arrow

A

mental nerve (branch of inferior alveolar) exiting mental foramen

81
Q

green arrow

A

zygomatic arch

82
Q

muscles of mastication involved with protrusion of the mandible

A

lateral pterygoid (prime), superficial masseter, medial pterygoid

83
Q

green arrow

A

maxillary tuberosity

84
Q

green dot

A

superficial head of medial ptyergoid muscle

85
Q

green arrow

A

mandibular nerve V3

86
Q

blue arrows

A

frontal and zygomatic bones

87
Q

sphenomandibular joint action

A

provides passive support

88
Q

green arrow

A

pterygoid plexus of veins

89
Q

green dot

A

temporal surface of the sphenoid bone

90
Q

blue/green dot

A

infratemporal surface of the sphenoid

91
Q

inferior alveolar artery passes through the

A

mandibular foramen

92
Q

red arrow

A

mandibular fossa (also known as the glenoid fossa of the temporal bone)

93
Q

inferior alveolar nerve carries _______ fibers to the _______

A

sensory

mandibular teeth

Anatomy Head And Neck (13 decks)

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