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Y Anatomy I > Bones: Spinal Column and Ribcage > Flashcards

Bones: Spinal Column and Ribcage Flashcards

1
Q
A

Coccyx

  • small, triangular “tailbone”
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2
Q

15

A

linea terminalis

entire circular ridge of the pelvis

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3
Q
A

body of rib

  • AKA shaft, begins at angle, curves anteriorly
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4
Q

the head and tubercle of the rib connect to what facets?

where are these facets?

A

4, costovertebral articular facet and 10, costotransverse articular facet

  • on the vertebral body and transverse process, resepectively
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5
Q
A

costal groove

  • nerves and blood vessels to thoracic wall pass here
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6
Q

red arrow

A

head of rib

  • articulates with vertebra
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7
Q

part between head and tubercle

A

neck of rib

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8
Q

5

A

tubercle of rib

  • articulates with transverse process of vertebra
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9
Q

rib overview

A
  • 12 pairs total
  • 7 pairs “true” ribs that connect to the sternum via their own cartilages
  • 5 pairs “false” ribs attach indirectly (or not at all)
  • 2 pairs “floating” ribs don’t attach to sternum at all
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10
Q

any of the green area

A

costal cartilage

  • connect ribs to sternum
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11
Q

14

A

sacral canal

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12
Q

10

A

sacral promontory

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13
Q

6

A

sacral tuberosity

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14
Q

12

A

Ala/ wing

lateral part of the sacrum

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15
Q

Whole bone

A

Sacrum

  • 5 fused vertebrae
  • forms posterior wall of pelvis
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16
Q

11

A

anterior sacral foramina

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17
Q
A

base of sacrum

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18
Q

2

A

dorsal sacral foramina

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19
Q

3

A

sacral hiatus

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20
Q

7

A

intermediate sacral crest

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21
Q

4

A

medial sacral line

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22
Q

4

A

Sacral Horns or Cornua

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23
Q

green highlighted feature

A

superior articular process of the sacrum

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24
Q

13

A

transverse lines or ridges of sacrum

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25
Q

4

A

medial sacral crest

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26
Q
A

sternal angle

  • where manubrium and body meet
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27
Q
A

Sternum

  • AKA breastbone

know:

  • Manubrium
  • Body
  • Xiphoid Process
  • Jugular Notch
  • Clavicular Notch
  • Sternal Angle
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28
Q
A

body of sternum

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29
Q
A

clavicular notch of sternum\

-articulates w clavicle

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30
Q

number 1

A

jugular notch of manubrium

31
Q
A

manubrium

  • shaped like knot of necktie
31
Q
A

xiphoid process

-bottom of sternum, shaped like tongue

32
Q
A

Typical Thoracic Vertebrae

  • costal facets on transverse processes and bodies
  • body is round to heart-shaped
  • vertebral foramen is circular
  • long inferiorly oriented spinous process
  • articular facets lie in frontal plane, allowing rotation
  • 12 total
33
Q

green

A

pedicles of lumbar vertebra

34
Q
A

vertebral arch

  • made up of pair of pedicles and laminae
35
Q
  • green space
A

vertebral foramen

  • space for spinal cord to thread through all vertebrae
35
Q

4

A

spinous process

36
Q

6

A

inferior articular process

37
Q

what’s this whole bone?

A

atlas

  • first cervical vertebra
  • aritculates with occipital condyles and dens of axis
39
Q
A

axis vertebra

  • second cervical vertebra
  • has dens, superiorly extending process acts as pivot for rotation of skull
40
Q

red dotted features

A

costal facets of thoracic vertebrae

  • these are the transverse costal facets on the transverse processes, the superior costal facets lie on the sides of the vertebral body
40
Q

orange

A

spinous process

42
Q

whole bone

what distinguishes this kind from the other kinds?

A

Typical Lumbar Vertebrae

  • thick, oval/kidney-shaped body
  • triangular vertebral foramen
  • short, flat, hatchet-shaped spinous process points straight back
  • articular processes lie in sagittal plane, allowing flexion/extension but little rotation
  • 5 total
43
Q

7

A

pedicle of thoracic vertebra

43
Q

2

A

posterior tubercle of cervical vertebra

45
Q

part 1

A

spinous process

46
Q

7

A

superior articular facet

47
Q

10

A

superior articular process

  • articulates with inferior articular process of vertebrae above
49
Q

8

A

superior demifacet

50
Q

yellow

A

superior articular process

51
Q
A

Dens

  • articulates with atlas to allow rotation of head

also called Odontoid Process

52
Q

11

A

transverse process

53
Q
A

Typical Cervical Vertebrae (C3-7)

  • wide body
  • forked spinous process point directly posteriorly
  • large, triangular vertebral foramen
  • have transverse foramen (for vertebral blood vessels)
  • obliquely oriented articular facets allow wide range of neck movement
  • 7 total, including atlas and axis
54
Q

12

A

superior and inferior demifacets

- articulate with ribs

55
Q
A

inferior articular process

  • articulates with superior articular process of vertbrae below
56
Q

pieces between vertebrae

A

intervertebral discs

  • pads of fibrocartilage
57
Q

indicated by black arrows

A

intervertebral foramen

  • formed by articulation of 2 vertebrae
  • passage for spinal nerves
58
Q

3

A

lamina

59
Q

5

A

lamina

60
Q

purple

A

lamina

61
Q

red

A

transverse process

62
Q

8

A

pedicle

63
Q

number 1

A

transverse foramen

  • only in cervical vertebrae
  • vertebral veins/arteries pass through here
64
Q

part 3

A

transverse process

  • in thoracic, have costal facets for rib tubercles
65
Q

1

A

anterior tubercle

66
Q

kidney shaped portion of left image

A

Body of Vertebrae

  • thick anterior region, weight-bearing
67
Q

What bone is this?

A

1st Rib

  • small and flattened compared to others
68
Q

4 on bone on right

A

Groove for Subclavian Artery

  • more lateral groove of the two on the 1st rib
  • closer to the head end of the rib
69
Q

6 on bone on the right

A

Groove for the Subclavian Vein

  • more medial of the two grooves on 1st rib
  • groove closest to the sternal end of the rib
70
Q

5 on the bone on the right

A

Scalene Tubercle of First Rib

  • attachment for the anterior scalenus muscle
71
Q

What is the bottom bone?

What is the red area on it?

A

2nd Rib

Tuberosity for the Serratus Anterior Muscle

72
Q

What’s the yellow marked area?

And what kind of vertebra is this?

A

Groove for Spinal Nerve

  • typical cervical vertebrae have a groove on their transverse processes for spinal nerves
73
Q

What is the blue marked vertebra?

Both its number and its latin name.

What makes it special?

A

C7 or Vertebra Prominens

  • it has a particularly large spinous process and is the most readily palpable vertebra in the neck, marking the transition from cervical to thoracic vertebrae

Y Anatomy I (18 decks)

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