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Skeletal System part 2 Flashcards

1
Q

number of axial bones

A

80

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2
Q

number of skull bones

A

29

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3
Q

Cranium bones

A 
Frontal
Parietal
Temporal
Occipital
Sphenoid
Ethmoid
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4
Q

forehead, eyebrows, superior eye orbit

A

Frontal bone

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5
Q

superior and lateral walls of cranium

A

parietal bones

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6
Q

parts of temporal bones

A 
external acoustic meatus
styloid process
zygomatic process
mastoid process
internal acoustic meatus
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7
Q

canal that leads to eardrum and middle ear

A

external acoustic meatus

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8
Q

most posterior bone of cranium

A

occipital bone

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9
Q

hole at the base of the skull where spinal cord enters skull

A

foramen magnum

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10
Q

has lesser and greater wing

A

sphenoid bone

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11
Q

anterior to sphenoid

A

ethmoid bone

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12
Q

immobile fibrous connective tissue that unite skull bones

A

sutures

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13
Q

sutures

A

coronal
sagittal
lambdoid
squamous

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14
Q

frontal and parietal

A

coronal

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15
Q

parietal

A

sagittal

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16
Q

occipital and parietal

A

lambdoid

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17
Q

temporal and parietal

A

squamous

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18
Q

mucous membrane; resonance chamber; cavity;maintain lightness of skull

A

sinuses

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19
Q

sinuses

A

frontal
ethmoid
sphenoid
maxillary

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20
Q

unossified fibrous connective tissue membrane-filled space where bone formation is not yet complete; overlapping of skull

A

fontanel

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21
Q

largest fontanel; diamond shape; closes 18 months after birth; between frontal and parital bone

A

anterior fontanel

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22
Q

triangular shape; between parietal and occipital

A

posterior fontanel

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23
Q

irregular-shaped fontanels

A

mastoid

sphenoidal fontanels

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24
Q

no. of vertebral column bones

A

26

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25
pads of flexible fibrocartilage that separate individual vertebrae
intervertebral discs
26
primary curvatures
thoracic and sacral
27
secondary curvatures
cervical and lumbar
28
spinous process, felt when neck is bended
c7
29
atlas; no body; yes
c1
30
axis; no; has odontoid process or dens
c2
31
smallest, lightest vertebrae | bipid spinous process
c3-c7
32
vertebral arteries pass on their way to the brain
transverse foramen
33
each pair of rib is connected to these vertebrae
thoracic vertebrae
34
sturdiest vertebrae
lumbar
35
fusion of 5 bones into 1; forms posterior wall of pelvis
sacrum
36
sacrum has winglike projections
alae
37
4 bones fused into 1; tailbone
coccyx
38
no. of bony thorax bones
25
39
other name of bony thorax
thoracic cage
40
sternum is fusion of 3 flat bones:
manubrium body/gladiolus xiphoid process
41
superiormost, clavicle and false rib
manubrium
42
no. of ribs
24
43
attached to sternum by hyaline cartilage (1-7)
true
44
attached indirectly or not at all to sternum (8-10)
false
45
attached to vertebra
Floating (11-12)
46
no. of auditory ossicles
6
47
connected to oval window
stapes
48
connected to tympanic membrane
malleus
49
hardest substance of body
enamel
50
no. of appendicular skeleton
126
51
shoulder or pectoral girdle
clavicle/ collar bone | scapula
52
bones attached to manubrium
first rib | clavicle
53
function of clavicle
brace
54
other name of scapula
shoulder blades
55
wings
scapula
56
a shallow socket that receives the head of the arm bone/ humerus
glenoid cavity
57
type of bone in humerus
long bone
58
in midpoint of the shaft is a rough-ended area where the large, fleshy deltoid muscle, tendons and ligaments of the shoulder attaches
deltoid tuberosity
59
the lateral bone of forearm; in line with thumb
radius
60
medial bone of forearm; in line with middle finger
ulna
61
wrist
carpus
62
proximal row of carpals [medial to lateral]
scaphoid lunate triquetrum pisiform
63
distal row of carpals [medial to lateral]
trapezium trapezoid capitate hamate
64
palm of hand
metacarpals
65
bones of the fingers
phalanges
66
metacarpals are numbered 1-5 from
thumb side
67
metacarpals in each finger
3 (proximal, intermediate, distal} | except thumb
68
other name of coxal bones
ossa coxae
69
pelvic girdle is formed by 2 bones
2 ossa coxae
70
each hip bone is formed by the fusion of three bones
ilium ischium pubis
71
forms most of the hip bone
ilium
72
upper edge of alae
iliac crest
73
sit down bone
ischium
74
allows blood vessels and the large sciatic nerve to pass from the pelvis posteriorly into the thigh
greater sciatic notch
75
most anterior part of the coxal bone
pubis or pubic bone
76
an opening that allows blood vessels and nerves to pass into the anterior part of the thigh
obturator foramen
77
fibrocartilage/ cartilaginous joint where pubic bones fuse
pubic symphysis
78
receives head of the thigh bone
acetabulum
79
thigh bone
femur
80
articulate with tibia
lateral condyle
81
shinbone; larger and more medial
tibia
82
thin and stick-like
fibula
83
tarsals
``` calcaneus talus medial cuneiform lateral cuneiform intermediate cuneiform navicular cuboid ```
84
joints/articulations by function
synarthroses amphiarthroses diarthroses
85
immovable
synarthroses
86
slightly movable
amphiarthroses
87
freely movable
diarthroses
88
joints by structure
fibrous cartilaginous synovial
89
fibrous tissu/sutures
fibrous
90
cartilage
cartilaginous
91
synovial fluid
synovial
92
bones that form longitudinal axis of body
axial
93
consists of bones of upper and lower limbs and their girldles
appendicular

Anatomy (19 decks)

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