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Medical Terminology > Root Words/ Combining Forms > Flashcards

Root Words/ Combining Forms Flashcards

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USMLE® Step 1 flashcards
1
Q

cardi/o

A

Heart (Cardiology; Cardiologist)

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2
Q

crin/o

A

To secrete (Endocrinology; Endocrinologist)

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3
Q

dermat/o

A

Skin (Dermatology; Dermatologist)

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4
Q

esthesi/o

A

Feeling or sensation (Anesthesiology; Anesthesiologist)

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5
Q

gastro/o, enter/o

A

Stomach, intestines (Gastroenterology; Gastroenterologist) **Enter/o sometimes refers to small intestine

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6
Q

ger/a, ger/o, geront/o

A

Elderly (Geriatrics; Geriatrician)

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7
Q

gynec/o

A

Female (Gynecology; Gynecologist)

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8
Q

immun/o

A

Immune (Immunology; Immunologist)

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9
Q

ne/o, nat/o

A

New, Birth (Neonatology; Neonatologist)

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10
Q

obstetr/o

A

Midwife (Obstetrics; Obstetrician)

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11
Q

onc/o

A

Tumor (Oncology; Oncologist)

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12
Q

ophthalm/o

A

Eye (Ophthalmology; Ophthalmologist)

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13
Q

orth/o, ped/o

A

Straight, Child (Orthopedics; Orthopedist) **Ped/o sometimes means “Foot”

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14
Q

ot/o, laryng/o

A

Ear, Larynx (Otolaryngology; Otolaryngologist)

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15
Q

path/o

A

Disease (Pathology; Pathologist)

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16
Q

ped/o

A

Child (Pediatrics; Pediatrician) **Ped/o sometimes means “Foot”

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17
Q

psych/o

A

Mind (Psychiatry; Psychiatrist)

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18
Q

radi/o

A

Radiation (or radius) (Radiology; Radiologist)

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19
Q

rheumat/o

A

Rheumatism (Rheumatology; Rheumatologist)

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20
Q

ur/o

A

Urinary tract (or urine) (Urology; Urologist)

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21
Q

aden/o

A

Gland

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22
Q

angi/o

A

Vessel

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23
Q

append/o, appendic/o

A

Appendix

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24
Q

bi/o

A

Life; Living

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25
Q

blephar/o

A

Eyelid

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26
Q

cerebr/o, encephal/o

A

Brain

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27
Q

chir/o

A

Hand

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28
Q

col/o

A

Colon; Large intestine

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29
Q

cutane/o, derm/a, dermat/o

A

Skin

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30
Q

faci/o

A

Face

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31
Q

hepat/o

A

Liver

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32
Q

mamm/o, mast/o

A

Breast

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33
Q

muscul/o, my/o

A

Muscle

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34
Q

myle/o

A

Bone marrow; Spinal cord

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35
Q

oste/o

A

Bone

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36
Q

pulm/o, pulmon/o, pnem/o, pneumon/o

A

Lungs

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37
Q

tonsill/o

A

Tonsil

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38
Q

trache/o

A

Trachea (windpipe)

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39
Q

vas/o

A

Vessel; Ductus deferens (Vas deferens)

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40
Q

adip/o, lip/o

A

Fat

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41
Q

amyl/o

A

Starch

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42
Q

glyc/o

A

Sugar

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43
Q

hemat/o

A

Blood

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44
Q

lact/o

A

Milk

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45
Q

lith/o

A

Stone

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46
Q

micro-

A

Small

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47
Q

muc/o

A

Mucus

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48
Q

prote/o, protein/o

A

Protein

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49
Q

pyr/o

A

Fire

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50
Q

alb/o, albin/o, leuk/o, leuc/o

A

White

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51
Q

cholo/o

A

Green

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52
Q

cyan/o

A

Blue

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53
Q

erythr/o

A

Red

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54
Q

melan/o

A

Black

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55
Q

xanth/o

A

Yellow

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56
Q

cyt/o

A

Cell

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57
Q

gen/o

A

Beginning; Origin

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58
Q

gram/o

A

To record

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59
Q

kinesi/o

A

Movement

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60
Q

leps/o

A

Seizure

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61
Q

lys/o

A

Destruction; Dissolving

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62
Q

malac/o

A

Soft; Softening

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63
Q

megal/o

A

Large; Enlarged

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64
Q

metr/o

A

Measure; Uterine tissue

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65
Q

path/o

A

Disease

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66
Q

phag/o

A

Eat; Ingest

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67
Q

phas/o

A

Speech

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68
Q

pleg/o

A

Paralysis

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69
Q

schis/o, schiz/o, schist/o

A

Split; Cleft

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70
Q

scler/o

A

Hard

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71
Q

scop/p

A

To examine; To view

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72
Q

troph/o

A

Nutrition

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73
Q

aer/o

A

Air

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74
Q

blast/o

A

Embryonic form

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75
Q

cancer/o, carcin/o

A

Cancer

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76
Q

cephal/o

A

Head

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77
Q

cry/o

A

Cold

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78
Q

crypt/o

A

Hidden

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79
Q

dips/o

A

Thirst

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80
Q

electr/o

A

Electricity

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81
Q

fibr/o

A

Fiber

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82
Q

hist/o

A

Tissue

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83
Q

myc/o

A

Fungus

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84
Q

narc/o

A

Sleep

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85
Q

necr/o

A

Dead

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86
Q

optic/o, opt/o

A

Vision

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87
Q

phon/o

A

Voice

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88
Q

phot/o

A

Light

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89
Q

py/o

A

Pus

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90
Q

therm/o

A

Heat

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91
Q

top/o

A

Position; Place

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92
Q

trache/o

A

Trachea

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93
Q

ech/o, son/o

A

Sound

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94
Q

electr/o

A

Electricity

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95
Q

fluor/o

A

Emitting or reflecting light

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96
Q

radi/o

A

Radient energy

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97
Q

tom/o

A

To cut

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98
Q

algesi/o

A

Sensitivity to pain

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99
Q

chem/o

A

Chemical

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100
Q

pharmac/o, pharmaceut/o

A

Drugs; Medicine

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101
Q

plast/o

A

Repair

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102
Q

therapeut/o

A

Treatment

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103
Q

tox/o

A

Poison

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104
Q

abdomin/o

A

abdomen

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105
Q

acid/o

A

acid

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106
Q

acr/o

A

extremities

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107
Q

adenoid/o

A

adenoids

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108
Q

adren/o; adrenal/o

A

adrenal glands

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109
Q

adrenalin/o

A

adrenaline

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110
Q

alkal/o

A

alkaline, basic

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111
Q

alveol/o

A

alveolus; air sac

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112
Q

amni/o

A

amnion

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113
Q

andr/o

A

male or masculine

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114
Q

ankyl/o

A

stiff

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115
Q

an/o

A

anus

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116
Q

anter/o

A

front

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117
Q

anthrac/o

A

coal

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118
Q

aort/o

A

aorta

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119
Q

arachn/o

A

arachnoid, spider

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120
Q

arteri/o; arter/o

A

artery

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121
Q

arteriol/o

A

arteriole

122
Q

arthr/o

A

joint

123
Q

astr/o

A

star

124
Q

ather/o

A

yellow, fatty plaque

125
Q

atri/o

A

atrium

126
Q

aut/o

A

self

127
Q

audi/o

A

hearing

128
Q

axill/o

A

armpit

129
Q

bacter/I, bacteri/o

A

bacteria

130
Q

bronch/o, bronchi/o

A

bronchi

131
Q

bronchiol/o

A

bronchiole

132
Q

burs/o

A

bursa

133
Q

calc/i

A

calcium

134
Q

calcane/o

A

calcaneus(heel bone)

135
Q

carp/o

A

carpus

136
Q

caud/o

A

tail

137
Q

cec/o

A

cecum

138
Q

cerebell/o

A

cerebellum

139
Q

cervic/o

A

neck; cervix uteri

140
Q

cheil/o

A

lip

141
Q

chol/e

A

gall, bile

142
Q

cholecyst/o

A

gallbladder

143
Q

choledoch/o

A

common bile duct

144
Q

chondr/o

A

cartilage

145
Q

chori/o

A

chorion

146
Q

chrom/o

A

color

147
Q

clavicul/o

A

clavicle(collar bone)

148
Q

coagul/o

A

coagulation

149
Q

coccyg/o

A

coccyx (tail bone)

150
Q

colp/o

A

vagina

151
Q

coni/o

A

dust

152
Q

cost/o

A

ribs

153
Q

crani/o

A

cranium; skull

154
Q

crin/o

A

secrete

155
Q

cyst/o

A

bladder; cyst; sac

156
Q

dacry/o

A

tear

157
Q

dactyl/o

A

digits, fingers or toes

158
Q

dender/o

A

tree

159
Q

dent/o; dent/i

A

teeth

160
Q

dipl/o

A

double

161
Q

dist/o

A

distant; far

162
Q

diverticul/o

A

diverticula

163
Q

dors/o

A

back

164
Q

duoden/o

A

duodenum

165
Q

epiglott/o

A

epiglottis

166
Q

esophagi/o

A

esophagus

167
Q

femor/o

A

femur

168
Q

fet/o

A

fetus

169
Q

fibrin/o

A

fibrin

170
Q

fibul/o

A

fibula

171
Q

genit/o

A

organ of reproduction

172
Q

gigant/o

A

large

173
Q

gingiv/o

A

gums

174
Q

glomerul/o

A

glomerulus

175
Q

gloss/o

A

tongue

176
Q

glycos-

A

sugar

177
Q

gon/o

A

genitals; reproduction

178
Q

gonad/o

A

gonads(ovaries and testes)

179
Q

heli/o

A

sun

180
Q

hem/a, hem/o

A

blood

181
Q

hemoglobin/o

A

hemaglobin

182
Q

hidr/o

A

sweat, perspiration

183
Q

home/o

A

constant, sameness

184
Q

humer/o

A

humerus(upper arm bone)

185
Q

hydr/o

A

water

186
Q

hyster/o

A

uterus

187
Q

ichthy/o

A

fish

188
Q

ile/o

A

ileum

189
Q

ili/o

A

ilium

190
Q

infer/o

A

inferior, situated below

191
Q

iod/o

A

iodine

192
Q

is/o

A

equal

193
Q

ischi/o

A

ischium

194
Q

jejun/o

A

jejunum

195
Q

kary/o

A

nucleus

196
Q

kerat/o

A

horny; hard

197
Q

lacrim/o

A

tear

198
Q

lapar/o

A

abdominal wall

199
Q

later/o

A

side

200
Q

lingu/o

A

tongue

201
Q

lumb/o

A

lower back

202
Q

lymph/o

A

lymph; lymphatic

203
Q

lymphat/o

A

lymphatic

204
Q

macr/o

A

large

205
Q

medi/o

A

middle

206
Q

mening/o

A

meninges

207
Q

ment/o

A

mind

208
Q

mon/o

A

one; single

209
Q

morph/o

A

form; shape

210
Q

nas/o

A

nose

211
Q

nephr/o

A

kidney

212
Q

neur/o

A

nerve

213
Q

norm/o

A

normal

214
Q

nos/o

A

disease

215
Q

nucle/o

A

nucleus

216
Q

o/o

A

egg

217
Q

odont/o

A

tooth

218
Q

olig/o

A

few

219
Q

omphal/o

A

umbilicus(navel)

220
Q

onych/o

A

nail

221
Q

oophor/o

A

ovary

222
Q

or/o

A

mouth

223
Q

orchi/o

A

testis

224
Q

orchid/o

A

testis

225
Q

ox/o

A

oxygen

226
Q

palat/o

A

palate

227
Q

pancreat/o

A

pancreas

228
Q

par/o

A

to give birth

229
Q

patell/o

A

patella(kneecap)

230
Q

pelv/i

A

pelvis

231
Q

peritone/o

A

peritoneum

232
Q

pex/o

A

surgical fixation

233
Q

phalang/o

A

phalanges(finger and toe bones)

234
Q

pharyng/o

A

pharynx

235
Q

phil/o

A

attraction

236
Q

phleb/o

A

vein

237
Q

phren/o

A

diaphragm; mind

238
Q

physi/o

A

nature

239
Q

pituitari/o

A

pituitary

240
Q

plas/o

A

formation; development

241
Q

pleur/o

A

pleura

242
Q

pod/o

A

foot

243
Q

poikil/o

A

irregular

244
Q

poster/o

A

behind

245
Q

proct/o

A

anus; rectum

246
Q

prostat/o

A

prostate gland

247
Q

proxim/o

A

near

248
Q

pseud/o

A

false

249
Q

pub/o

A

pubis

250
Q

pyel/o

A

renal pelvis

251
Q

pylor/o

A

pylorus

252
Q

rachi/o, rach/i

A

spine

253
Q

rect/o

A

rectum

254
Q

ren/o

A

kidney

255
Q

rhin/o

A

nose

256
Q

rhytid/o

A

wrinkles

257
Q

sacr/o

A

sacrum

258
Q

salping/o

A

uterine tubes; auditory tubes

259
Q

scapula/o

A

scapula(shoulder blade)

260
Q

seb/o

A

sebum

261
Q

seps/o

A

infection

262
Q

sept/o

A

infection, septum

263
Q

sial/o

A

saliva; salivary glands

264
Q

som/a; somat/o

A

body

265
Q

spermat/o

A

speratozoa

266
Q

sphere/o

A

round

267
Q

spleen/o

A

spleen

268
Q

spondyl/o

A

vertebrae(spine)

269
Q

staphyl/o

A

cluster, uvula

270
Q

stern/o

A

sternum(breast bone)

271
Q

steth/o

A

chest

272
Q

stomat/o

A

mouth

273
Q

stept/o

A

twisted

274
Q

super/o

A

situated above or uppermost

275
Q

tars/o

A

Tarsals; edge of eyelid

276
Q

Tel/e

A

Distant

277
Q

Ten/o; tend/o

A

Tendon

278
Q

Test/o

A

Testes

279
Q

Thorac/o

A

Chest

280
Q

Thromb/o

A

Clot; thrombus

281
Q

Thym/o

A

Thymus

282
Q

Thyr/o; thyroid/o

A

Thyroid gland

283
Q

Tibi/o

A

Tibia

284
Q

Toxic/o

A

Poison

285
Q

Trich/o

A

Hair

286
Q

Trop/o

A

To stimulate or turn

287
Q

Uln/o

A

Ulna

288
Q

Ureter/o

A

Ureter

289
Q

Urethr/o

A

Urethra

290
Q

Urin/o

A

Urine; urination

291
Q

Uter/o

A

Uterus

292
Q

Vag/o

A

Vagus nerve

293
Q

Vagin/o

A

Vagina

294
Q

Valv/o; valvul/o

A

Valve

295
Q

Ven/o

A

Vein

296
Q

Ventr/o

A

Ventral; belly side

297
Q

Ventricul/o

A

Ventricle of brain or heart

298
Q

Venul/o

A

Venule

299
Q

Vertebr/o

A

Certebrae

300
Q

Viscer/o

A

Viscera

301
Q

Vulv/o

A

Uvula

302
Q

Xer/o

A

Dry

Medical Terminology (19 decks)

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