Temporal bones Flashcards

1
Q

What are the three parts of the temoral bone

A

Squamous, tympanic ,and mastoid

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2
Q

where is the zygomatic process

A

lower on the squamous part of the temporal bone

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3
Q

what is the zygomatic process

A

A bar-like projection on the squamous part of the temporal bone

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4
Q

What does the zygomatic process do

A

forms the zygomatic arch (cheekbone) by interfacing with the zygomatic bone of the face

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5
Q

Where is the mandibular fossa

A

to the left of the zygomatic process on the squamous part of the temporal bone (posterior due to looking from the side)

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6
Q

what is the mandibular fossa

A

an indention on the squamous part of the temporal bone

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7
Q

what does the mandibular fossa do

A

Receives the condylar process of the mandible to form the temporomandibular joint

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8
Q

Where is the squamous part of the temporal bone

A

The anterior part of the bone

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9
Q

Where is the tympanic part of the temporal bone

A

The lower part of the bone.

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10
Q

Where is the External auditory meatus

A

The lower middle of the temporal bone

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11
Q

what is the external auditory meatus

A

The ear canal

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12
Q

What does the external auditory meatus do

A

forms part of the extenal ear

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13
Q

Where is the mastoid part of the temporal bone

A

lower postiror part of the temporal bone

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14
Q

Where is the jugular foramen

A

The mastoid part of the temporal bone

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15
Q

what does the jugular foramen do

A

allows the internal jugular vein and three nerves to pass through it (IX, X, XI)

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16
Q

Where is the carotid canal

A

anterior to the jugular foramen

17
Q

What does the carotid canal do

A

transmits the carotid artery to the cranial cavity

18
Q

Where is the internal acoustic meatus

A

suprolateral to the jugular foramen

19
Q

what does the intenal acoustic meatus do

A

transmits cranial nerves (VII and VIII)

20
Q

where is the mastoid process

A

lowest part on the mastiod section

21
Q

what does the mastoid process do

A

ancors some mussles

22
Q

where is the styloid process

A

the lowest part of the tympanic region part of the temporal bone

23
Q

what does the styloid process do

A

attachment point for some tong and neck mussels and a ligament that secures the hyoid bone to the scull

24
Q

where is the stylomastiod foramen

A

between the styloid process and the mastoid process

25
Q

what does the stylomastiod foramen do

A

allows the cranial nerve (VII facial nerve) to leave the skull

26
Q

What is in the mastoid region of the temporal bone

A

Middle and internal ear cavity, Jugular foramen, Carotid canal, Internal acoustic meatus, mastoid process , stylomastoid foramen

27
Q

What is in the tympanic region

A

external acoustic meatus and styloid process

28
Q

what is in the squamous region

A

Zygomatic process and mandibular fossa