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Medical Terminology > Combining Forms: Roots, Prefixes, and Suffixes > Flashcards

Combining Forms: Roots, Prefixes, and Suffixes Flashcards

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USMLE® Step 1 flashcards
1
Q

a- , an-

A

no; not; without

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2
Q

ab-

A

away from

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3
Q

ad-

A

toward; near

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4
Q

abdomin/o

A

abdomen

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5
Q

-ac , -al

A

pertaining to

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6
Q

-an , -ar , -ary

A

pertaining to

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7
Q

aden/o

A

gland

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8
Q

adip/o

A

fat

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9
Q

-algesia

A

sensitivity to pain

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10
Q

-algia

A

pain

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11
Q

ana-

A

up; apart; backward; again; anew

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12
Q

angi/o

A

vessel (blood)

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13
Q

ante-

A

before; forward

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14
Q

anter/o

A

front

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15
Q

anti-

A

against

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16
Q

aort/o

A

aorta (largest artery)

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17
Q

append/o , appendic/o

A

appendix

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18
Q

arter/o , arteri/o

A

artey

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19
Q

arthr/o

A

joint

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20
Q

-ase

A

enzyme

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21
Q

audi/o , audit/o

A

hearing

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22
Q

aut/o , aut- , auto

A

self, own

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23
Q

axill/o

A

armpit

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24
Q

bacter/i/o

A

bacteria

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25
Q

bi-

A

two

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26
Q

bil/i

A

bile; gall

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27
Q

brachi/o

A

arm

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28
Q

brady-

A

slow

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29
Q

bronch/o , bronchi/o

A

bronchial tube

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30
Q

bucc/o

A

cheek

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31
Q

calc/o

A

calcium

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32
Q

carcin/o

A

cancerous; cancer

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33
Q

cardi/o

A

heart

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34
Q

-cele , coele

A

swelling, hernia

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35
Q

cell/u

A

cell level

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36
Q

-centesis

A

surgical puncture to remove fluid

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37
Q

cerebr/o

A

cerebrum (largest part of brain)

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38
Q

cervic/o

A

neck

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39
Q

chol/e

A

bile; gall

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40
Q

cholecyst/o

A

gallblader

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41
Q

-cidal

A

pertaining to killing

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42
Q

col/o , colon/o

A

colon (large intestine)

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43
Q

comi/o

A

to care for

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44
Q

contra-

A

against; opposite

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45
Q

coron/o

A

heart

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45
Q

cost/o

A

rib

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46
Q

cran/i

A

skull

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47
Q

cyan/o

A

blue

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48
Q

cyst/o

A

urinary bladder, cyst, sac of fluid

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49
Q

cyt/o , -cyte

A

cell

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50
Q

de-

A

lack of, less

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51
Q

derm/o , derma , dermat/o

A

skin

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52
Q

diaphor/o

A

sweat

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53
Q

dist/o

A

far; distant

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54
Q

dors/o , dorsi

A

back (of body)

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55
Q

dys-

A

bad; painful; difficult; abnormal

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56
Q

-eal

A

pertaining to

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57
Q

-ectomy

A

removal; excision; resection

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58
Q

-emia

A

blood condition

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59
Q

-emic

A

pertaining to blood condition

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60
Q

end- , end/o

A

in; within

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61
Q

enter/o

A

intestines (usually small intestines)

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62
Q

epi-

A

above; upon; on

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63
Q

erythr/o

A

red

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64
Q

erythem/o

A

flushed, redness

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65
Q

-esis

A

action; condition; state of

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66
Q

ex-

A

out; away from

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67
Q

gastr/o

A

stomach

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68
Q

-genesis

A

producing; forming

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69
Q

-ger/i , geront/o

A

old age

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70
Q

gluc/o , glyc/o

A

glucose; sugar

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71
Q

-gram

A

record

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72
Q

-graphy

A

process of recording

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73
Q

hem/o , hemat/o

A

blood

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74
Q

hemi-

A

half

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75
Q

hepat/o

A

liver

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76
Q

herni/o

A

hernia

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77
Q

hydr/o

A

water

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78
Q

hyper-

A

above, excessive, greater than normal

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79
Q

hypo-

A

deficient; below; less than normal

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80
Q

hyster/o

A

uterus; womb

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81
Q

-ia

A

condition

82
Q

-iac , -ic , -ine , -ior

A

pertaining to

83
Q

-iasis

A

abnormal condition

84
Q

ile/o

A

ileum

85
Q

inguin/o

A

groin

86
Q

inter-

A

between

87
Q

intra-

A

within; into

88
Q

-ism

A

process; condition

89
Q

-ist

A

specialist

90
Q

-itis

A

inflammation

91
Q

jaund/o

A

yellow

92
Q

jejun/o

A

jejunum

93
Q

Kal/i

A

potassium

94
Q

ket/o , keton

A

ketones, acetones

95
Q

kyph/o

A

hunch back

96
Q

lapar/o

A

abdominal wall; abdomen

97
Q

later/o

A

side

98
Q

leuk/o

A

white

99
Q

lip/o

A

lipid; fat

100
Q

lob/o

A

lobe

101
Q

-logy

A

study (process of)

102
Q

-lysis

A

breakdown; separation; destruction

103
Q

mal-

A

bad

104
Q

mamm/o , mast/o

A

breast

105
Q

medi/o

A

middle

106
Q

-megaly

A

enlargement

107
Q

melan/o

A

black

108
Q

-ment/o

A

mind

109
Q

my/o

A

muscle

110
Q

narc/o

A

numbness; sleep

111
Q

nas/o

A

nose

112
Q

natr/o

A

sodium

113
Q

necr/o

A

death

114
Q

nephr/o

A

kidney

115
Q

neur/o

A

nerve

116
Q

norm/o

A

rule; order

117
Q

nos/o

A

infection

118
Q

ocul/o

A

eye

119
Q

ophthalm/o

A

eye

120
Q

opt/o , optic/o

A

eye; vision

121
Q

-oid

A

resembling; derived from

121
Q

olig/o

A

scant; slight

122
Q

-oma

A

tumor; mass; fluid collection

123
Q

onc/o

A

tumor

124
Q

oophor/o

A

ovary

125
Q

-osis

A

condition, usually abnormal

126
Q

oste/o

A

bone

127
Q

ot/o

A

ear

128
Q

-ous

A

pertaining to

129
Q

-oxia ; -oxic

A

oxygen

130
Q

pancreat/o

A

pancreas

131
Q

para-

A

near; beside; apart from; along side of

132
Q

-paresis

A

weakness

133
Q

path/o

A

disease

134
Q

-pathy

A

disease; emotion

135
Q

pector/o

A

chest

136
Q

-penia

A

deficiency

137
Q

-phagia

A

eating; swallowing

138
Q

phas/o . phasia

A

speech

139
Q

phleb/o

A

vein

140
Q

-plasia

A

development; formation; growth

141
Q

-plasty

A

surgical repair

142
Q

-plegia , -plegic

A

paralysis; palsy

143
Q

-pnea

A

breathing

144
Q

pneum/o , pneumon/o

A

lung; air; gas

145
Q

post- , poster/o

A

after; behind

146
Q

pre-

A

before; in front of

147
Q

proxim/o

A

near

148
Q

pseudo

A

false; fake

149
Q

pulmon/o

A

lung

150
Q

purul/o

A

pus

151
Q

quadri-

A

four

152
Q

rhino

A

nose

153
Q

-rrhage

A

bursting forth (of blood)

154
Q

-rrhea

A

flow, discharge

155
Q

sanguin/o

A

fluid - blood

156
Q

-sclerosis

A

hardening

157
Q

-scope

A

instrument to visually examine

158
Q

-scopy

A

process of visually examining with a scope

159
Q

-sect

A

to cut

160
Q

seps/o

A

infection

161
Q

ser/o

A

fluid - serum; clear

162
Q

-sis

A

state of

163
Q

-spasm

A

sudden contraction of muscle

164
Q

-stasis

A

to stop; control; place

165
Q

-stasis

A

to stop; control; place

166
Q

-static

A

pertaining to stopping; controlling

167
Q

-stenosis

A

tightening; narrowing

168
Q

stern/o

A

sternum

169
Q

-stomy

A

new opening (to form a mouth)

170
Q

sub-

A

under; below

171
Q

supra-

A

above; upper

172
Q

syncop/o

A

faint

173
Q

tachy-

A

fast

174
Q

-tension ; -tensive

A

pressure

175
Q

therm/o

A

heat

176
Q

thorac/o

A

chest

177
Q

-thorax

A

chest ; pleural cavity

178
Q

thromb/o

A

clot

179
Q

thyroid/o

A

thyroid gland

180
Q

-tic

A

pertaining to

181
Q

-tomy

A

process of cutting

182
Q

-toxic

A

poison

183
Q

trache/o

A

trachea

184
Q

trans-

A

across; through

185
Q

tri-

A

three

186
Q

-trophy

A

development - condition of

187
Q

umbilic/o

A

umbilicus; navel

188
Q

uni-

A

one

189
Q

ur/o

A

urine; urinary tract

190
Q

ureter/o

A

ureter

191
Q

urethr/o

A

urethra

192
Q

-uria

A

urination; condition of urine

193
Q

urin/o

A

urine

194
Q

-us

A

structure; thing

195
Q

uter/o

A

uterus; womb

196
Q

vascul/o

A

vessel (blood)

197
Q

ven/o , ven/i

A

vein

198
Q

ventr/o

A

abdominal side of the body

199
Q

vertebr/o

A

vertebra (backbone)

200
Q

xer/o

A

dry

201
Q

-y

A

condition; process

Medical Terminology (6 decks)

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