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TMJs Flashcards

1
Q

Temporal bones form

A

inferolateral aspects of the skull parts of the cranial floor

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2
Q

Major markings include the 5

A

zygomatic, styloid, mastoid processes, mandibular and middle cranial fossae

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3
Q

Major openings include the 5

A

stylomastoid and jugular foramina the external and internal auditory meatuses, carotid canal

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4
Q

Temporal bones ituated on each side of cranial base between - and -

A

greater wings of sphenoid and occipital bone

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5
Q

Consist of 5

A

Squamous portion Tympanic portion Styloid process Zygomatic process Petromastoid portion which contain the organs for hearing and equilibrium

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6
Q

Squamous portion is - & forms

A

hin, upper portion of temporal bone Forms part of side wall of cranium

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7
Q

Zygomatic process is

A

prominent arched process that projects anteriorly to articulate with zygoma and complete the zygomatic arch

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8
Q

Articular tubercle located on

A

inferior border of zygomatic process

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9
Q

Articular tubercle Forms

A

anterior boundary of mandibular fossa

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10
Q

Mandibular fossa receives

A

condyle of mandible to form temporomandibular joint (TMJ)

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11
Q

Tympanic portion located Forms

A

below squama and in front of petromastoid portion

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12
Q

Tympanic portion Forms

A

anterior wall, inferior wall and part of posterior walls of the EAM

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13
Q

Styloid process

A

slender, pointed bone projecting inferiorly, anteriorly, and slightly medially from inferior surface of tympanic portion

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14
Q

Petromastoid portion combines

A

petrous and mastoid portions

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15
Q

Petromastoid portion forms

A

the inferior, posterior part of the temporal bone

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16
Q

Petromastoid portion Articulates

A

with parietal bone at its superior border and with occipital bone at its posterior border

17
Q

Petromastoid portion contains

A

Usually contains air cells, which vary greatly in size, number, and pneumatization

18
Q

Mastoid process

A

conical process projecting from mastoid portion

19
Q

Petrous portion projects - between -

A

medially and anteriorly between greater wing of sphenoid and occipital bone

20
Q

Petrous portion aka

A

petrous pyramid

21
Q

Petrous portion shaped

A

Conical or pyramidal

22
Q

Thickest and densest portion of cranium

A

Petrous portion

23
Q

Contains the organs of hearing and balance

A

Petrous portion

24
Q

Auditory ossicles are

A

bones of middle ear

25
Q

Auditory ossicles 3 parts

A

Malleus Incus Stapes

26
Q

Temporal bone articulates with the

A

parietal, occipital, sphenoid, zygoma, and mandible

27
Q

B

A

B. Mastoid portion

28
Q

A

A

A. Squamous portion

29
Q

C

A

C. External acoustic meatus

30
Q

D

A

D. Tympanic portion

31
Q

E

A

E. Styloid process

32
Q

F

A

F. Mandibular fossa

33
Q

G

A

G. Articular tubercle

34
Q

H

A

H. Zygomatic process

35
Q

I

A

I. Petrous portion

Registry (21 decks)

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