A Typical Vertebrae Flashcards

1
Q

arch forms from joining of posterior extensions

A

vertebral arch

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2
Q

bridge

A

pedicle

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3
Q

two parts of vertebral arch

A

pedicle and lamina

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4
Q

canal for spinal cord to pass

A

vertebral foramen

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5
Q

lateral projections from vertebral arch

A

transverse processes

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6
Q

single projection from posterior vertebral arch

A

spinous process

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7
Q

what is the spinous process

A

fused lamina

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8
Q

where do muscles attach?

A

transverse and spinous process

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9
Q

what does the superior and inferior projections allow vertebrae to do?

A

form joints with adjacent vertebrae

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10
Q

paired projections lateral to vertebral foramen

A

superior or inferior articular process

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11
Q

what numbers represent the cervical vertebrae?

A

C1-C7

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12
Q

what does the cervical vertebrae form?

A

neck region

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13
Q

which of the cervical vertebrae are different?

A

atlas and axis (the 1st two)

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14
Q

what does the atlas allow you to do?

A

nod yes

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15
Q

unique characteristics of the atlas

A

has no body

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16
Q

acts as a pivot for rotation of atlas and skull

A

axis

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17
Q

large upright processes are called what and do what

A

dens; acts as a pivot point

18
Q

what allows you to indicate no?

A

dens

19
Q

C3-C7 are called what

A

“typical” cervical vertebrae

20
Q

what is special about the typical vertabrae/

A

smallest and lightest vertebrae

21
Q

spinous processes of the typical vertebrae are what

A

short and divided into two branches

22
Q

transverse processes of typical vertebrae contain what

A

foramina (opening) in which the vertebral arteries pass through on the way to the brain

23
Q

T1-T12

A

thoracic vertebrae

24
Q

in comparison to the cervical the thoracic vertebrae are

A

larger

25
Q

what is special about the thoracic vertebrae?

A

only vertebrae to artculate with the ribs

26
Q

the body of the thoracic is what

A

heart-shaped

27
Q

the two costal facets of the thoracic vertebrae do what

A

receive the heads of the ribs

28
Q

the transverse processes of the thoracic vertebrae do what

A

articulate with the nearby knoblike tubercles of the ribs

29
Q

what does the thoracic vertebrae’s spinous process look like?

A

long and hooked downward; looks like a giraffe’s head from the side

30
Q

L1-L5

A

lumbar vertabrae

31
Q

the bodies of the lumbar vertebrae are what

A

blocklike

32
Q

spinous processes of lumbar vertebrae

A

short, hatchet-shaped, make them look like a moose head from the top

33
Q

most of the tress of the vertebral column occurs in what

A

lumbar region

34
Q

how is the sacrum formed?

A

fusion of five vertebrae

35
Q

what does the sacrum articulate with?

A

L5 and inferiorly connects with the coccyx

36
Q

the sacrum’s wing like alae articulate laterally with the hip bones to form what joints

A

sacroiliac joints

37
Q

forms the posterior wall of the pelvis

A

sacrum

38
Q

end of the spinal cord

A

sacral hiatus

39
Q

how is the coccyx formed?

A

fusion of 3-5 vertebrae

40
Q

shape of the coccyx

A

irregular

41
Q

what is the coccyx?

A

human “tailbone”

42
Q

disc like weight-bearing part of the vertebra the faces anteriorly in the vertebral column

A

the body