skeleton :0 Flashcards

1
Q

what is in the axial skeleton

A

skull, vertebral column, rib cage

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2
Q

what is in the appendicular skeleton

A

upper extremety bones, lower extremity bones, ossa coxae

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3
Q

how many cranial bones are there and what are they

A

8- frontal (1), parietal (2), temporal (2), occipital (1), sphenoid (1), ethmoid (1)

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4
Q

how many facial bones are there and what are they

A

14- maxilla (2), zygomatic (2), mandible (1), lacrimal (2), nasal (2), vomer (1), palatine (2), inferior nasal conchae (2)

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5
Q

what are the four sets of paranasal sinuses?

A

sphenoidal, maxillary, frontal, ethmoidal

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6
Q

the sheet of connective tissue that partially separates the brain

A

falx cerebri

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7
Q

the 4 sutures of the skull

A

coronal, squamous, saggital, lambdoidal

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8
Q

the four regions of the temporal bone

A

petrous region, mastoid region, squamous region, tympanic region

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9
Q

what passes through the optic foramen

A

CN 2, optic nerve

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10
Q

what goes through the foramen rotundum

A

one of the three branches of the trigeminal nerve (CN 5)

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11
Q

what goes through the foramen ovale

A

a branch of the third branch of the trigeminal nerve (cranial nerve 5)

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12
Q

what goes through the foramen spinosum

A

menigeal blood vessels

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13
Q

what goes through the superior orbital fissure

A

several cranial nerves including the first branch of the trigeminal nerve (CN5)

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14
Q

what goes through the foramen lacerum

A

nothing! its blocked by connective cartilage

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15
Q

what is the portion of the sphenoid bone that articulates w the frontal, parietal, and temporal bones called

A

pterion

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16
Q

the anterior attachment for the falx cerebri

A

crista galli

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17
Q

calvaria

A

the ‘dome’ of the head

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18
Q

STUDY THE FORAMEN OF THE SKULL!!!

A

ON THE DORKY WEBSITE!!!!!

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19
Q

the (5) regions of the spine

A

cervical (neck), thoracic, lumbar, sacrum, coccyx

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20
Q

how many total bones in the vertebral canal

A

26 bones, 24 individual 2 fused

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21
Q

how many cervical vertebrae are there

A

7

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22
Q

how many thoracic vertebrae are there

A

12

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23
Q

how many lumbar vertebrae are there

24
Q

how many (fused) sacral vertebrae are there

A

5 but they are fused together

25
how many (fused) coccygeal vertebrae are there
4 FUSED THO
26
primary curves (develop in womb)
thoracic curvature, sacral curvature
27
secondary curves (develop in response to primary curves)
cervical curvature, lumbar curvature
28
c1 and c2
atlas and axis
29
cervical vertebrae (C1-C6 sometimes C7) contain
transverse foramina and bifid spinous process
30
thoracic vertebrae have
costal facets or costal demifacets
31
lumbar vertebrae lack distinct features
they are fat
32
the pointy bottom part of the sacral vertebrae
apex
33
the wide top part of the sacrum
base
34
what 3 things make up the thoracic cage
thoracic vertebrae, ribs, sternum
35
which ribs are true? which ribs are false? which of the false ribs are floating?
1-7 true, 8-12 false, 11&12 floating
36
the conoid tubercle is where & how many r there
the clavicle, 1 pair (so two seperate ones)
37
where are the coronoid processes
2 in the mandible, 2 in ulna (one on each ulna bone)
38
where is the coracoid ???
scapula
39
where are the styloid-s
2 on temporal bones, 2 on ulnas, 2 on radius
40
become one with the appendicular skeleton
USE THE DORKY WEBSITE!!!!!!!
41
first cervical vertebrae is called
atlas
42
second cervical vertebrae is called
axis
43
the atlas articulates with the occipital condyles to form which joint
atlanto-occipital joint
44
the atlanto-occipital joint is responsible for which motion
the 'yes' motion
45
the axis has a superior peg-like projection called the (2)
odontoid process or dens of the axis
46
articulation between axis and atlas is called
atlantoaxial joint
47
the atlantoaxial joint is responsible for which motion
the 'no' motion
48
what is the seventh cervical vertebra called
the vertebra prominens
49
you can determine a vertebrae is a cervical one by: (2)
the presence of transverse foramina or a bifid spinous process (in C1-C6, usually not C7)
50
you can determine a vertebrae is a thoracic one by:
the presence of costal facets or demifacets
51
you can tell a vertebrae is a lumbar one by
the fact that its super fat. "easily identified by their heavy bodies"
52
the surface where the sacrum articulates with each os coxae
the aricular surface
53
the name of the joint for where the sacrum articulates with each os coxae
sacroiliac joint
54
STUDY THE RIBS
AND THE STERNUM!!!
55
STUDY THE CLAVICLE
AND SCAPULA
56
STUDY THE HUMERUS
ON THE JANKY WEBSITE
56
STUDY THE RADIUS
AND ULNA