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Medical Terminology > Common Medical Prefixes > Flashcards

Common Medical Prefixes Flashcards

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USMLE® Step 1 flashcards
0
Q

ab-

A

Away from

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1
Q

a-

A

Without; away from Ex) aphasia (without speech)

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2
Q

ad-

A

Toward

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3
Q

allo-

A

Other, different from usual

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4
Q

an-

A

Without Ex) anoxia (without oxygen)

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5
Q

ante-

A

Before; in front of Ex) antepartum (before birth)

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6
Q

anti-

A

Against Ex) antibiotic (against life)

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7
Q

auto-

A

Self Ex) autograft (graft from ones own skin)

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8
Q

bi-

A

Two

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9
Q

brady-

A

Slow

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10
Q

circum-

A

Around

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11
Q

contra-

A

Against Ex) contraception (against conception)

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12
Q

de-

A

Without

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13
Q

dis-

A

apart

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14
Q

dys-

A

Painful, difficult, abnormal Ex) dyspnea (difficulty breathing)

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15
Q

e-

A

Outward, without

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16
Q

en-

A

Inward

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17
Q

endo-

A

Within; inner

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18
Q

epi-

A

Upon; over Ex) epigastric (on or over the stomach)

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19
Q

eso-

A

Inward Ex) esotropia (inward turning)

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20
Q

eu-

A

Normal; good Ex) eupnea (normal breathing)

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21
Q

ex-

A

External Ex) exostosis (condition of external bone)

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22
Q

exo-

A

Outward Ex) exotropia (outward turning)

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23
Q

extra-

A

Outside of Ex) extracorporeal (outside the body)

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24
Q

hemi-

A

Half

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25
Q

hetero-

A

Different Ex) heterograft (graft from different species)

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26
Q

homo-

A

Same Ex) homograft (graft from the same species)

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27
Q

hydro-

A

Water Ex) hydrotherapy (water therapy)

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28
Q

hyper-

A

Over; excessive Ex) hypertrophy (overdevelopment)

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29
Q

hypo-

A

Under; below Ex) hypodermic (under the skin)

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30
Q

in-

A

Not; inward Ex) infertility (not fertile); inhalation (to breathe in)

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31
Q

inter-

A

Among; between Ex) intervertebral (between the vertebrae)

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32
Q

intra-

A

Within; inside Ex) intravenous (inside a vein)

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33
Q

macro-

A

Large Ex) macrotia (having large ears)

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34
Q

micro-

A

Small Ex) microtia (having small ears)

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35
Q

mono-

A

One

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36
Q

multi-

A

Many

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37
Q

myo-

A

Shut Ex) myopia (to shut eyes or squint)

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38
Q

neo-

A

New Ex) neonatology (study of newborns)

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39
Q

nulli-

A

None

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40
Q

pan-

A

All Ex) pansinusitis (inflammation of all sinuses)

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41
Q

para-

A

Near; abnormal; a pair Ex) paranasal (near the nose); parasthesia (abnormal feeling); paraplegia (paralysis of a pair/ the legs)

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42
Q

per-

A

Through Ex) percutaneous (through the skin)

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43
Q

peri-

A

Around Ex) pericardial (around the heart)

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44
Q

poly-

A

Many

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45
Q

post-

A

After Ex) postpartum (after birth)

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46
Q

pre-

A

Before; in front of Ex) preoperative (before an operation)

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47
Q

primi-

A

First

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48
Q

pro-

A

Before Ex) prolactin (before milk)

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49
Q

pseudo-

A

False Ex) pseudocyesis (false pregnancy)

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50
Q

quadri-

A

Four

51
Q

re-

A

Again

52
Q

retro-

A

Backward; behind Ex) retroperitoneal (behind the peritoneum)

53
Q

semi-

A

Half

54
Q

sub-

A

Below Ex) subcutaneous (below the skin)

55
Q

supra-

A

Above Ex) suprapubic (above the public bone)

56
Q

tachy-

A

Rapid Ex) tachycardia (rapid heartbeat)

57
Q

tetra-

A

Four

58
Q

trans-

A

Across

59
Q

tri-

A

Three

60
Q

ultra-

A

Beyond; excess Ex) ultrasound (high frequency sound waves)

61
Q

un-

A

Not, without Ex) unconscious (not conscious)

62
Q

xeno-

A

Strange

63
Q

Without; away from Ex) aphasia (without speech)

A

a-

64
Q

Away from

A

ab-

65
Q

Toward

A

ad-

66
Q

Other, different from usual

A

allo-

67
Q

Without Ex) anoxia (without oxygen)

A

an-

68
Q

Before; in front of Ex) antepartum (before birth)

A

ante-

69
Q

Against Ex) antibiotic (against life)

A

anti-

70
Q

Self Ex) autograft (graft from ones own skin)

A

auto-

71
Q

Two

A

bi-

72
Q

Slow

A

brady-

73
Q

Around

A

circum-

74
Q

Against Ex) contraception (against conception)

A

contra-

75
Q

Without

A

de-

76
Q

apart

A

dis-

77
Q

Painful, difficult, abnormal Ex) dyspnea (difficulty breathing)

A

dys-

78
Q

Outward, without

A

e-

79
Q

Inward

A

en-

80
Q

Within; inner

A

endo-

81
Q

Upon; over Ex) epigastric (on or over the stomach)

A

epi-

82
Q

Inward Ex) esotropia (inward turning)

A

eso-

83
Q

Normal; good Ex) eupnea (normal breathing)

A

eu-

84
Q

External Ex) exostosis (condition of external bone)

A

ex-

85
Q

Outward Ex) exotropia (outward turning)

A

exo-

86
Q

Outside of Ex) extracorporeal (outside the body)

A

extra-

87
Q

Half

A

hemi-

88
Q

Different Ex) heterograft (graft from different species)

A

hetero-

89
Q

Same Ex) homograft (graft from the same species)

A

homo-

90
Q

Water Ex) hydrotherapy (water therapy)

A

hydro-

91
Q

Over; excessive Ex) hypertrophy (overdevelopment)

A

hyper-

92
Q

Under; below Ex) hypodermic (under the skin)

A

hypo-

93
Q

Not; inward Ex) infertility (not fertile); inhalation (to breathe in)

A

in-

94
Q

Among; between Ex) intervertebral (between the vertebrae)

A

inter-

95
Q

Within; inside Ex) intravenous (inside a vein)

A

intra-

96
Q

Large Ex) macrotia (having large ears)

A

macro-

97
Q

Small Ex) microtia (having small ears)

A

micro-

98
Q

One

A

mono-

99
Q

Many

A

multi-

100
Q

Shut Ex) myopia (to shut eyes or squint)

A

myo-

101
Q

New Ex) neonatology (study of newborns)

A

neo-

102
Q

None

A

nulli-

103
Q

All Ex) pansinusitis (inflammation of all sinuses)

A

pan-

104
Q

Near; abnormal; a pair Ex) paranasal (near the nose); parasthesia (abnormal feeling); paraplegia (paralysis of a pair/ the legs)

A

para-

105
Q

Through Ex) percutaneous (through the skin)

A

per-

106
Q

Around Ex) pericardial (around the heart)

A

peri-

107
Q

Many

A

poly-

108
Q

After Ex) postpartum (after birth)

A

post-

109
Q

Before; in front of Ex) preoperative (before an operation)

A

pre-

110
Q

First

A

primi-

111
Q

Before Ex) prolactin (before milk)

A

pro-

112
Q

False Ex) pseudocyesis (false pregnancy)

A

pseudo-

113
Q

Four

A

quadri-

114
Q

Again

A

re-

115
Q

Backward; behind Ex) retroperitoneal (behind the peritoneum)

A

retro-

116
Q

Half

A

semi-

117
Q

Below Ex) subcutaneous (below the skin)

A

sub-

118
Q

Above Ex) suprapubic (above the public bone)

A

supra-

119
Q

Rapid Ex) tachycardia (rapid heartbeat)

A

tachy-

120
Q

Four

A

tetra-

121
Q

Across

A

trans-

122
Q

Three

A

tri-

123
Q

Beyond; excess Ex) ultrasound (high frequency sound waves)

A

ultra-

124
Q

Not, without Ex) unconscious (not conscious)

A

un-

125
Q

Strange

A

xeno-

Medical Terminology (15 decks)

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