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Human Anatomy Lab > Axial Skeleton 2 > Flashcards

Axial Skeleton 2 Flashcards

(87 cards)

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1
Q

How many bones in the vertebral column? How many in each division?

A

26
cervical-7
thoracic-12
lumbar-5
sacral-5 fused bones
coccygeal-3-5 fused bones

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2
Q

the strong outer layer of fibrocartilage of invertebral discs

A

annulus fibrosus

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3
Q

the inner gelatinous core of invertebral discs

A

nucleus polposus

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4
Q

What are primary curvatures?

A

outwardly bowing curves that are retained from the fetal position (thoracic & sacral)

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5
Q

What are secondary curvatures?

A

inward bowing curves that bring the spine into an overall upright position (cervical & lumbar)

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6
Q

What is the vertebral canal formed by?

A

successive vertebral foramina

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7
Q

What bone is this?

A

atlas; C1

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8
Q

What part is this?

A

superior articular facet

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9
Q

What part is this?

A

inferior articular facet

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10
Q

What part is this?

A

lateral mass

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11
Q

What part is this?

A

facet for dens

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12
Q

What part is this?

A

posterior tubercle

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13
Q

What part is this?

A

transverse foramen

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14
Q

What part is this?

A

anterior arch

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15
Q

What part is this?

A

posterior arch

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16
Q

What part is this?

A

transverse process

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17
Q

What part is this?

A

vertebral foramen

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18
Q

What part is this?

A

odontoid process (dens)

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19
Q

What part is this? Function?

A

transverse foramen; openings that transmit the vertebral arteries

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20
Q

What part is this?

A

superior articular facet

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21
Q

What part is this?

A

transverse process

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22
Q

What part is this?

A

body (centrum)

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23
Q

What part is this?

A

spinous process

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24
Q

What part is this?

A

inferior articular process

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25
What part is this?
lamina
26
What bone is this?
axis; C2
27
What kind of vertebra is this?
cervical
28
What part is this?
body (centrum)
29
What part is this?
bifid spinous process
30
What part is this?
inferior notch
31
Which vertebra have superior costal demifacets?
T2-T9
32
Which vertebra have inferior costal demifacets?
T1-T9
33
Which vertebra have full costal facets?
T1, T10, T11, T12
34
Define costal facet
articulations with the head of the ribs
35
Define transverse costal facet
articulation site for tubercle of rib
36
What part is this?
superior articular facet
37
What part is this?
superior costal demifacet
38
What part is this?
inferior costal demifacet
39
What part is this?
transverse costal facet
40
What part is this?
superior articular process
41
What part is this?
body (centrum)
42
What part is this?
inferior notch
43
What part is this?
transverse process
44
What part is this?
inferior articular process
45
What part is this?
spinous process
46
What part is this?
pedicle
47
What part is this?
lamina
48
What part is this?
vertebral arch
49
What kind of vertebra is this?
thoracic
50
What part is this?
full costal facet
51
What kind of vertebra is this?
lumbar
52
What part is this?
pedicle
53
What part is this?
lamina
54
What part is this?
superior articular process
55
What part is this?
superior articular facet
56
What part is this?
sacral canal
57
What part is this?
anterior sacral foramen
58
What part is this?
posterior sacral foramen
59
What part is this?
sacral hiatus
60
What landmark is this?
sacral promontory
61
What landmark is this?
ala
62
What landmark is this?
transverse ridges (lines)
63
What landmark is this?
median sacral crest
64
What landmark is this?
lateral sacral crest
65
What landmark is this?
auricular surface of sacrum
66
What landmark is this?
coccyx
67
What landmark is #2?
jugular notch
68
What part is #1?
manubrium
69
What part is #4?
body
70
What part is #5?
xiohoid process
71
What landmark is #3?
sternal angle
72
Which are true ribs and why?
Ribs 1-7 direct costal cartilage attachments to sternum
73
Which are false ribs and why?
Ribs 8-12, indirect or non-existent costal cartilage attachment to ribs
74
Which are floating ribs and why?
Ribs 11 & 12, no costal cartilage attachments to sternum
75
What is #6?
true ribs
76
What is. #7?
non-floating false ribs
77
What is #8?
floating false ribs
78
What is #9? What is it formed by?
costal margin; costal cartilages of ribs 7-10
79
What part is this?
head
80
What part is this?
neck
81
What part is this?
articular tubercle
82
What landmark is this?
shaft
83
What landmark is this?
costal groove
84
What is this?
costal angle
85
Right or left rib?
Right
86
Right or left rib?
Left
87
What part is this?
intervertebral foramen

Human Anatomy Lab (20 decks)

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