Skeleton Overview & Axial Skeleton Flashcards

1
Q

of bones in the adult skeleton

A

206

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2
Q

2 basic types of osseous tissue

A

compact bone & spongy bone

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3
Q

4 bone shapes

A

long, short, flat, irregular

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4
Q

examples of long bones

A

humerus, femur, etc

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5
Q

example of flat bone

A

sternum

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6
Q

example of short bone

A

talus

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7
Q

example of irregular bones

A

vertebrae

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8
Q

8 bone markings that are sites of muscle and ligament attachment

A
tuberosity
crest
trochanter
line
tubercle
epicondyle
spine
process
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9
Q

4 bone markings that help form joints

A

head
facet
condyle
ramus

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10
Q

3 bone markings that allow for the passage of vessels and nerves

A

fissure
foramen
notch

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11
Q

3 misc. depressions and openings (bone markings)

A

meatus
sinus
fossa

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12
Q

‘shaft’ of a long bone

A

diaphysis

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13
Q

‘ends’ of a long bone

A

epiphyses

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14
Q

epiphysis closest to the trunk

A

proximal epiphysis

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15
Q

epiphysis furthest from the trunk

A

distal epiphysis

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16
Q

cartilage surrounding long bone

A

articular cartilage

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17
Q

line of compact bone between two areas of spongy bone

A

epiphyseal line

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18
Q

dense layer of vascular connective tissue enveloping bones

A

periosteum

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19
Q

cavity within a long bone

A

medullary cavity

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20
Q

medullary cavity is lined with _________

A

endosteum

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21
Q

the _______ _____ carries vessels & nerves through compact bone

A

central canal

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22
Q

collection of rings around a cental canal

A

osteon

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23
Q

individual rings around a central canal

A

lamella/lamellae

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24
Q

chambers within lamellae

A

lacunae

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25
Q

mature bone cells within lacunae

A

osteocytes

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26
Q

3 parts of the axial skeleton

A

skull, vertebral column, thoracic cage

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27
Q

2 sets of bones that constitute the skull

A

cranium & facial bones

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28
Q

interlocking fibrous joints that join skull bones

A

sutures

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29
Q

only 2 facial bones that are not paired

A

vomer & mandible

30
Q

bone not really considered part of the skull, located in the throat

A

hyoid bone

31
Q

4 paranasal sinuses

A

frontal sinus
ethmoidal sinus
sphenoidal sinus
maxillary sinus

32
Q

the vertebral column consists of __ vertebrae and __ composite (fused) bones

A

24; 2

33
Q

of cervical vertebrae

A

7

34
Q

of thoracic vertebrae

A

12

35
Q

of lumbar vertebrae

A

5

36
Q

the 2 composite bones of the vertebral column are the ______ and ______

A

sacrum & coccyx

37
Q

processes that extend from the posterior side of the vertebrae

A

spinous processes

38
Q

proceses that extend laterally from each side of the vertebrae

A

transverse processes

39
Q

discs between vertebrae

A

intervertebral discs

40
Q

final vertebra of the cervical curvature - has the most prominent spinal process

A

vertebra prominens

41
Q

hole in the vertebrae that house the spinal cord

A

vertebral foramen

42
Q

thiccest part of vertebrae

A

body

43
Q

posterior arch of the vertebral foramen

A

vertebral arch

44
Q

facet + process on the superior side of a vertebra, bewteen the foramen and the transverse process

A

superior articular facet and process

45
Q

looks like a shark skull (to me)

A

cervical vertebrae (especially C1)

46
Q

‘typical’ vertebra - transverse processes are at a 45deg angle with the spinal process - foramen is most circular

A

thoracic vertebrae

47
Q

vertebrae with the thickest body - foramen is flat - transverse processes are at a 90deg angle with spinal process

A

lumbar vertebrae

48
Q

holes in the sacrum

A

sacral foramina

49
Q

seam between the sacrum & the coccyx

A

apex

50
Q

superior end of the sacrum

A

sacral promontory

51
Q

hole through sacrum

A

sacral canal

52
Q

points of each ‘wing’ of sacrum (superior end)

A

ala

53
Q

posterior crest of sacrum

A

median sacral crest

54
Q

sites of vertebral fusion on posterior side of sacrum

A

transverse ridges

55
Q

connect ribs to sternum

A

costal cartilages

56
Q

notch on top of sternum

A

jugular notch

57
Q

first 7 ribs are called _____ ribs

A

true

58
Q

ribs 8-12 are called ______ ribs

A

false

59
Q

ribs 11 and 12 are ______ ribs

A

floating

60
Q

‘head’ on superior end of sternum

A

manubrium

61
Q

seam between manubrium and body of sternum

A

sternal angle

62
Q

‘point’ on inferior end of sternum

A

xiphoid process

63
Q

seam between xiphoid process & body of sternum

A

xiphisternal joint

64
Q

spaces between ribs

A

intercostal spaces

65
Q

the first cervical vertebra is called ____ and lacks a ____

A

atlas; body

66
Q

this vertebra has lateral masses

A

atlas

67
Q

the second cervical vertebra is called ____ and has a ____ instead of a body

A

axis; dens

68
Q

holes in the wide transverse processes of cervical vertebrae

A

transverse foramina

69
Q

______ _______ travel through transverse foramina

A

vertebral arteries

70
Q

this vertebra allows you to shake your head ‘no’

A

axis