Skeletal System Flashcards

1
Q

rounded process usually articulates with other bone

A

condyle

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2
Q

narrow, ridgelike projection

A

crest

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3
Q

opening in a bone

A

foramen

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4
Q

Relatively deep pit or depression

A

Fossa

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5
Q

Enlargement at end of bone

A

Head

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6
Q

tubelike passageway within bone

A

meatus

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7
Q

process of blood cell formation

A

hematopoiesis

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8
Q

prominent projections on bone

A

process

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9
Q

space in the middle of long bone that includes marrow

A

medullary cavity

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10
Q

cavity within bone

A

sinus

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11
Q

thornlike projection

A

spine

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12
Q

interlocking or union between bones

A

suture

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13
Q

relatively large process

A

trochanter

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14
Q

small, knoblike process

A

tubercle

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15
Q

knoblike process usually larger than tubercle

A

tuberosity

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16
Q

these are four types of bone processes

A
  1. condyles (at end, usually articulates)
  2. trochanter
  3. tubercle
  4. tuberosity
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17
Q

two sections of skeleton

A

axial and appendicular

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18
Q

4 types of structures in skeletal system

A
  1. bones
  2. cartilage
  3. ligaments
  4. tendons
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19
Q

adults have ____ bones

A

206

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20
Q

there are ______ ribs in the thoracic cage

A

12

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21
Q

when multiple bones form a joint, they _____

A

articulate

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22
Q

there are ______ true ribs, which attach to the sternum

A

7

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23
Q

there are _____ false ribs, which don’t attach to the sternum

A

5

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24
Q

there are ____ floating ribs

A

2

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25
Q

end of a long bone that articulate with another bone

A

Epiphysis

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26
Q

Long bone shaft called

A

diaphysis

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27
Q

which head bone is most posterior and inferior

A

occipital

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28
Q

which bone makes up the forehead

A

frontal

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29
Q

which bones incase the skull on the top sides?

A

parietal

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30
Q

base of nasal septum, divides into right and left

A

vomer

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31
Q

near nasal bone, a little posterior

A

lacrimal

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32
Q

dense connective tissue covering bone (also helps repair)

A

Periosteum

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33
Q

cell that deposits bony matrix, resulting in bone growth

A

osteoblast

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34
Q

this part of the bone is made of inorganic salts and collagen that form an ECM

A

Periosteum

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35
Q

where blood vessels and nerves go in bones

A

central canal

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36
Q

these connect the central canals perpendicular

A

Perforating canals (volkmann’s canals)

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37
Q

osteo____ build up bone and osteo____ break it down

A

blasts, clasts

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38
Q

the process of osteoblasts taking calcium from blood and depositing on bone

A

calcium deposition

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39
Q

process of osteoclasts taking calcium from the bone and depositing back to blood

A

calcium resorption

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40
Q

condition where rate of bone resorption exceeds formation

A

Osteoporosis

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41
Q

hormone that prompts osteoclasts to begin resorption

A

Parathyroid hormone (PTH)

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42
Q

hormone that prompts osteoblasts to start calcium deposition

A

calcitonin

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43
Q

bone resorption and deposition is usually balanced until ____, when ____ levels begin to fall

A

midlife; estrogen

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44
Q

part of skull that encloses brain

A

cranium

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45
Q

suture that borders the frontal bone

A

coronal

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46
Q

suture that borders the parietal bones

A

sagittal

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47
Q

the parietal bones meet the occipital bone along this suture

A

lambdoid suture

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48
Q

name along where bone growth occurs; is in between epiphysis and diaphysis

A

metaphysis or growth plate

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49
Q

bone on the side of the skull that external auditory meatus

A

temporal bone

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50
Q

the bone that inside the cranium makes a bat shape

A

sphenoid bone

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51
Q

this bone starts in nose, projects up into skull

A

Ethmoid bone

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52
Q

this small bone is between the eyes

A

nasal bone

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53
Q

outer part of cheekbones

A

Zygomatic bones

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54
Q

upper lip and end of cheekbones

A

maxilla

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55
Q

posterior to maxilla in mouth

A

Palatine bone

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56
Q

lower jaw

A

Mandible

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57
Q

five vertebral regions

A

cervical, thoracic, lumbar, sacral, coccyx

58
Q

a joint that doesn’t move

A

fibrous joint

59
Q

a joint that can move

A

synovial joint

60
Q

3 physical features of synovial joints

A
  1. capsule - connective tissue; contains outside
  2. synovial fluid cushions joint
  3. hyaline cartilage lines bones to protect
61
Q

made of connective tissue and attaches bone to bone

A

ligament

62
Q

how many vertebrae are in the cervical region

A

7

63
Q

how many vertebrae in thoracic region

A

12

64
Q

how many vertebrae in lumbar region

A

5

65
Q

what is C1 called and why is it notable?

A

Atlas; doesn’t have body and is shaped like big ring

66
Q

what is C2’s name and why is it notable?

A

Axis; atlas pivots around the dens
Looks like kylo wren mask

67
Q

what are the 8 holes in the sacrum called?

A

sacral foramina

68
Q

protrusion at top middle of sacrum

A

Median sacral crest

69
Q

what is the name of the tailbone

A

coccyx

70
Q

this is the anatomical name for true ribs

A

vertebrosternal

71
Q

what is the anatomical name for the false/floating ribs?

A

vertebronchondral

72
Q

top bone in the sternum

A

Father (man) son and holy spirit

MANubrium

73
Q

middle portion of sternum

A

body

74
Q

bottom part of the sternum

A

xiphoid process

75
Q

what is the flat end of the clavicle that attaches to the sternum?

A

sternal facet

76
Q

end of the clavicle that attached to shoulder

A

acromial end

77
Q

posterior top of the scapula round pokey bit

A

acromion process

78
Q

scapula - anterior process on the top of the bone

A

coracoid process

79
Q

scapula - flat part where arm attaches

A

glenoid fossa

80
Q

where is the scapula’s medial border?

A

curved edge on the edge facing the spine

81
Q

where is the scapula’s lateral border?

A

on the outside (side with glenoid fossa)

82
Q

what is the upper arm bone?

A

humerus

83
Q

where is a humerus’s anatomical neck?

A

between the head and shaft

84
Q

where is the humerus’s surgical neck?

A

very end of shaft

85
Q

rounded end of humerus

A

head

86
Q

two bumps near the head of the humerus

A

greater and lesser tubercle (outside and inside)

87
Q

what is the groove between the humerus’s tubercle’s called

A

intertubercular sulcus

88
Q

the distal end of a humerus looks like a

A

balled fist

89
Q

distal end of humerus - these four look like the “fingers” of the fist

A
  1. medial epicondyle (thumb)
  2. trochlea (pointer and middle)
  3. capitulum (ring)
  4. lateral epicondyle (pinkie)
90
Q

distal end of humerus has these two fossas

A

coronoid and olecranon

91
Q

two bones distal to humerus

A

radius and ulna

92
Q

the ______ has a flat head and is on the same side of the body as the thumb

A

radius

93
Q

the ______ has what looks like a claw for a head and is on the same side as the pinkie

A

ulna

94
Q

the ____ is the bone whose head is on the distal end

A

ulna

95
Q

both the radius and the ulna have a _____ process at their ____ end

A

styloid; distal

96
Q

slight protrusion near the proximal end of the radius

A

radial tuberosity

97
Q

top of the ____ looks like a claw. the higher one is called the _____, the lower the _____

A

ulna; olecranon; coronoid

98
Q

between the claw hooks of the _____ is the _____ notch

A

ulna; trochlear

99
Q

part of hand that connects to wrist

A

carpals

100
Q

five bones distal from carpals

A

metacarpals

101
Q

fingers and toes are called

A

phalanges

102
Q

the thigh bone is called the

A

femur

103
Q

the ______ of the femur is round and at an angle from the rest of the bone

A

head

104
Q

the two notches near the head of the femur are the

A

greater and lesser trochanter

105
Q

on the distal end of the femur, there are two, round pointy bits. They are called the ___ and ___ condyles

A

medial and lateral

106
Q

the kneecap is known as the

A

patella

107
Q

the ____ and ___ are distal to the femur

A

tibia; fibula

108
Q

of the two shin bones, the ____ is bigger

A

tibia

109
Q

the top of the tibia has a ____ and ___ condyle, with a ___ ___ in between

A

medial; lateral; tibial tuberosity

110
Q

on the distal end of the tibia there is what looks like a tiny hook. what is it called

A

medial malleolus

111
Q

the ____ is the smaller shin bone

A

fibula

112
Q

the blunt, flat, proximal end of the fibula is called the

A

head

113
Q

the distal end of the fibula comes to a point. what is it called?

A

lateral malleolus

114
Q

the heel is also called the

A

calcaneus

115
Q

the back of the foot collectively is called the

A

tarsals

116
Q

the middle of the foot is called the

A

talus

117
Q

the five bones past the talus are called the

A

metatarsals

118
Q

an articulation between bones is called a

A

joint

119
Q

a joint that moves is called a

A

synovial joint

120
Q

synovial joints have these three elemtns:

A

1) articular capsule
2) synovial fluid
3) hyaline cartilage

121
Q

a hip is called a

A

coxa

122
Q

from a lateral view of a vertebrae, there are two processes that jut out. They are called the ___ and ____ ____ process

A

superior and inferior articular process

123
Q

the pelvic girdle is also known as the

A

os coxae

124
Q

if you looked at the os coxe head on, the first bones on either side of the joint would be the ___ bones

A

pubis

125
Q

if you looked at the os coxae head on, the outside of the butterfly wings would be the

A

ischium

126
Q

the big hole in the os coxae where the hip joint goes

A

acetabulum

127
Q

the superior section of the coxa is called the

A

ilium

128
Q

when looking at the os coxae head on, the big holes you would see are called the

A

obturator foramen

129
Q
A
130
Q
A
131
Q
A
132
Q
A
133
Q
A
134
Q
A
135
Q
A
136
Q
A
137
Q
A
138
Q
A
139
Q
A
140
Q
A
141
Q
A
142
Q
A