Axial Skeleton 1 Flashcards

1
Q

How many bones form the typical adult skeleton?

A

206

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2
Q

What are the subdivisions of the skeleton?

A

The axial skeleton & appendicular skeleton

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3
Q

How many bones form the typical adult appendicular skeleton?

A

126 bones

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4
Q

How many bones form the typical adult axial skeleton?

A

80

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5
Q

What bones form the axial skeleton?

A

The skull, hyoid, vertebral column, sternum, & ribs

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6
Q

What is the total number of bones forming the typical adult skull?

A

28

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7
Q

What is the name given to the adult skull minus the mandible?

A

The cranium

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8
Q

What are the names given to the top of the adult skull?

A

The calvaria or calva

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9
Q

What are the categories of bone forming the typical adult skull?

A

The neurocranium, the facial skeleton (splanchnocranium or visceral cranium) and the auditory ossicles

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10
Q

What is the neurocranium?

A

The bones that support or protect the brain

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11
Q

How many bones form the typical adult neurocranium?

A

8

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12
Q

What bones form the neurocranium of the typical adult skull?

A

Frontal, parietal, temporal, occipital, sphenoid, & ethmoid

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13
Q

How many bones form the facial skeleton (splanchnocranium or visceral skeleton?

A

14 bones

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14
Q

What is the facial skeleton (splancocranium or visceral cranium)?

A

The bones that support the face or front of the head

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15
Q

What bones form the facial skeleton?

A

Mandible, vomer, nasal, maxilla, lacrimal, inferior nasal concha, palatine, & zygomatic

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16
Q

By strict definition, what is the splanchnocranium?

A

The bones that support the face minus the mandible

17
Q

What bones form the splanchnocranium?

A

Vomer, nasal, maxilla, lacrimal, inferior nasal concha, palatine, & zygomatic

18
Q

How many bones comprise the typical adult auditory ossicles?

A

6 bones

19
Q

What bones comprise the typical adult auditory ossicles?

A

The stapes, incus, & malleus

20
Q

How many bones are present in the adult hyoid?

A

1 bone

21
Q

What bones comprise the typical adult vertebral column or spinal column?

A

Cervical, thoracic, lumbar vertebrae, and the sacrum & coccyx

22
Q

What is the number of bones comprising each region of the typical adult spinal column or vertebral column?

A

7 cervical, 12 thoracic, 5 lumbar, 1 sacrum, 1 coccyx

23
Q

What is the name given to the presacral region of the typical adult vertebral column or spinal column?

A

The spine

24
Q

What is the total number of bones forming the typical adult spine?

A

24 bones

25
Q

What is the definition of “spine” as it pertains to the vertebral column?

A

The presacral region of the vertebral column or spinal column

26
Q

How many bones are present in the typical adult sacrum?

A

1 bone

27
Q

What regions are present along the typical adult sternum?

A

The manubrium sterni, corpus sterni, and the xiphoid process

28
Q

How many ribs are present in the typical adult skeleton?

A

12 pair or 24 total ribs