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Anatomy > Vertebral Column > Flashcards

Vertebral Column Flashcards

1
Q

How many bones make up the vertebral column?

A

26

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2
Q

How many true (movable) vertebrae are there?

A

24

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3
Q

How many total vertebrae are there?

A

33

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4
Q

How many regions are there in the vertebral column?

A

5

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5
Q

How many vertebrae are in the cervical region?

A

7

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6
Q

How many vertebrae is in the thoracic region?

A

12

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7
Q

How many vertebrae are in the lumbar region?

A

5

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8
Q

How many vertebrae are in the sacral region?

A

5

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9
Q

How many vertebrae are in the coccygeal region?

A

4

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10
Q

What are the four curvatures of the spine?

A

•Cervical curvature
•Thoracic curvature
•Lumbar curvature
•Sacral curvature

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11
Q

What are the primary curves?

A

•Thoracic curve
•Sacral curve

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12
Q

What are the secondary curves?

A

•Cervical curve
•Lumbar curve

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13
Q

What is the anterior, cylindrical weight bearing portion of a vertebra?

A

Body

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14
Q

What two lateral structures of a vertebra form the pillars of the passageway for the spinal cord?

A

Pedicles

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15
Q

On a vertebra what structures extend from the lateral pillars to the midline?

A

Laminae

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16
Q

Together the posteriorly projecting pillars and the extensions to the midline form what structure?

A

Vertebral arch

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17
Q

Together the posteriorly projecting pillars and the extensions to the midline form what passageway within a vertebra?

A

Vertebral foramen

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18
Q

The vertebrae form what collective passageway for the spinal cord?

A

Vertebral canal

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19
Q

Adjacent vertebrae form what passageways for spinal nerves?

A

Intervertebral foramina

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20
Q

What posteriorly projecting structures of the vertebrae can be palpated?

A

Spinous processes

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21
Q

What lateral projections occur on each vertebra?

A

Transverse processes

22
Q

What processes of a vertebra form synovial joints with the vertebrae immediately superior and inferior it?

A

Superior and inferior articular processes

23
Q

What smooth, flat, articular surfaces occur on a vertebra?

A

Articular facets

24
Q

What are the pads of fibrocartilage between vertebrae?

A

Intervertebral discs

25
Q

What is the outer ring of fibrocartilage within an intervertebral disc?

A

Anulus fibrosus

26
Q

What is the inner, circular region of an intervertebral disc?

A

Nucleus pulposus

27
Q

What forms the top and bottom, portions of an intervertebral disc?

A

Cartilaginous end plate

28
Q

What structures separate the bodies of the vertebrate from C2-C3 to L5-S1

A

Intervertebral discs

29
Q

What are the three components of an intervertebral disc?

A

•Anulus fibrosus
•Nucleus pulposus
•Cartilaginous end plate

30
Q

Synovial joints occur between what parts of vertebrae from C2 to L5-S1

A

Superior and inferior articular processes

31
Q

What supporting ligament appears on the anterior of the vertebral body?

A

Anterior longitudinal ligament

32
Q

What supporting ligament appears on the posterior vertebral body?

A

Posterior longitudinal ligament

33
Q

What ligament is found only in the cervical spine and supports the skull by resisting flexion?

A

Ligamentum nuchae

34
Q

What is the relative size of the cervical vertebrae?

A

Small

35
Q

What is the shape of the spinous processes of C1-C6?

A

Bifid

36
Q

What openings in the cervical vertebrae allow the passage of the vertebral arteries and veins?

A

Transverse foramina

37
Q

What is another anatomical term for C1?

A

Atlas

38
Q

What structures does C1 lack?

A

•Body
•Spinous process

39
Q

What is another anatomical term for C2?

A

Axis

40
Q

During development the body of C1 fuses to C2 to form what structure?

A

Dens

41
Q

What is another anatomical term for the spinous process of C7?

A

Vertebra prominens

42
Q

What is the general shape of the bodies of T1-T12?

A

Heart shape

43
Q

What is a distinguishing characteristic of many of the thoracic vertebrae?

A

The spinous process is long and pointed and in some angled sharply inferiorly

44
Q

Thoracic vertebrae can be distinguished from all other vertebrae by what features?

A

Costal facets and Demi facets

45
Q

What is the general shape of the bodies of lumbar vertebrae?

A

Large, round, or oval

46
Q

What is the characteristic of the spinous processes of the lumbar vertebrae?

A

•Thick blunt
•Project posteriorly

47
Q

What is the anatomical term for the anterior, superior bulge of the sacrum?

A

Sacral promontory

48
Q

What paired openings occur on the anterior surface of the sacrum?

A

Anterior sacral formina

49
Q

What are the paired openings on the posterior side of the sacrum?

A

Posterior sacral foramina

50
Q

The spinous process of the sacrum form what structure?

A

Median sacral crest

51
Q

What lateral structures of the sacrum articulate with the ossa coxae?

A

Auricular surface

52
Q

What is the anatomical term for the tailbone?

A

Coccyx

Anatomy (14 decks)

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