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Spinal Anatomy > The Skeleton > Flashcards

The Skeleton Flashcards

1
Q

How many bones form the typical adult skeleton?

A

206 bones

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2
Q

What are the subdivisions of the skeleton?

A

The axial skeleton and 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 bones

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5
Q

What bones form the axial skeleton?

A

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

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6
Q

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

A

28 bones

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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 bones

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12
Q

What bones form the neurocranium of the typical adult skull?

A

The frontal, parietal, temporal, occipital, sphenoid, and ethmoid

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13
Q

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

A

The bones that support the face or front of the head

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14
Q

What bones form the facial skeleton?

A

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

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15
Q

By strict definition, what is the splanchnocranium?

A

The bones that support the face minus the mandible

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16
Q

What bones form the splanchnocranium?

A

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

17
Q

How many bones comprise the typical adult auditory ossicles?

A

6 bones

18
Q

What bones comprise the typical adult auditory ossicles?

A

The stapes, incus, and malleus

19
Q

How many bones are present in the adult hyoid?

A

1 bone

20
Q

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

A

7 cervical, 12 thoracic, and 5 lumbar vertebrae

1 sacrum and 1 coccyx

21
Q

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

A

The spine

22
Q

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

A

24 bones

23
Q

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

A

The pre-sacral region of the vertebral column or spinal column

24
Q

How many bones are present in the typical adult sternum?

A

1 bone

25
Q

What regions are present along the typical adult sternum?

A

The manubrium sterni, the corpus sterni, and the xiphoid process

26
Q

How many ribs are present in the typical adult skeleton?

A

12 pair or 24 ribs

Spinal Anatomy (4 decks)

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