Word Elements A - O Flashcards
1
Q
a-
A
without; not
2
Q
ab-
A
from; away from
3
Q
abdomin/o
A
abdomen
4
Q
abort/o
A
to miscarry
5
Q
-ac
A
Pertaining to
6
Q
acid/o
A
acid
7
Q
acous/o
A
hearing
8
Q
acr/o
A
extremity
9
Q
acromi/o
A
acromion (projection of the scapula)
10
Q
-cusis
A
hearing
11
Q
ad-
A
toward
12
Q
ad
A
toward
13
Q
aden/o
A
gland
14
Q
adenoid/o
A
adenoids
15
Q
adip/o
A
fat
16
Q
adren/o
A
adrenal glands
17
Q
adrenal/o
A
adrenal glands
18
Q
aer/o
A
air
19
Q
af-
A
toward
20
Q
agglutin/o
A
clumping, gluing
21
Q
agora-
A
marketplace
22
Q
-al
A
pertaining to
23
Q
albin/o
A
white
24
Q
albumin/o
A
albumin (protein)
25
-algesia
pain
26
algia
pain
27
allo-
other, differing from the normal
28
alveol/o
alveolus; air sac
29
ambly/o
dull, dim
30
amni/o
amnion (amniotic sac)
31
an-
without; not
32
an/o
anus
33
ana-
against; up; back
34
andr/o
male
35
aneurysm/o
widened blood vessel
36
angi/o
vessel (usually blood or lymph)
37
aniso-
unequal; dissimilar
38
ankyl/o
stiffness; bent, crooked
39
ante-
before, in front of
40
anter/o
anterior, front
41
anthrac/o
coal, coal dust
42
anti-
against
43
aort/o
aorta
44
append/o
appendix
45
appendic/o
appendix
46
aque/o
water
47
-ar
pertaining to
48
arche
beginning
49
arteri/o
artery
50
arteriol/o
arteriole
51
arthr/o
joint
52
-ary
pertaining to
53
asbest/o
asbestos
54
-asthemia
weakness, debility
55
astr/o
star
56
-ate
having the form of; possessing
57
atel/o
incomplete; imperfect
58
ather/o
fatty plaque
59
-ation
process (of)
60
atri/o
atrium
61
audi/o
hearing
62
audit/o
hearing
63
aur/o
ear
64
auricul/o
ear
65
auto-
self, own
66
ax/o
axis; axon
67
azot/o
nitrogenous compounds
68
bacteri/o
bacteria (singular, bacterium)
69
balan/o
glans penis
70
bas/o
base (alkaline, opposite of acid)
71
bi-
two
72
bi/o
life
73
bil/i
bile, gall
74
-blast
embryonic cell
75
blast/o
embryonic cell
76
blephar/o
eyelid
77
brachi/o
arm
78
brachy-
short
79
brady-
slow
80
bronch/o
bronchus (plural, bronchi)
81
bronchi/o
bronchus (plural, bronchi)
82
bronchiol/o
bronchiole
83
bucc/o
cheek
84
calc/o
calcium
85
calcane/o
calcaneum (heel bone)
86
capnia
carbon dioxide (CO2)
87
carcin/o
cancer
88
cardi/o
heart
89
-cardia
heart condition
90
carp/o
carpus (wrist bones)
91
cata-
down
92
caud/o
tail
93
cauter/o
heat, burn
94
cec/o
cecum
95
-cele
hernia; swelling
96
-centesis
surgical puncture
97
cephal/o
head
98
ceps
head
99
-ception
conceiving
100
cerebell/o
cerebellum
101
cerebr/o
cerebrum
102
cervic/o
neck; cervix uteri (neck of the uterus)
103
chalic/o
limestone
104
cheil/o
lip
105
chem/o
chemical; drug
106
chlor/o
green
107
chol/e
bile, gall
108
cholangi/o
bile vessel
109
cholecyst/o
gallbladder
110
choledoch/o
bile duct
111
chondr/o
cartilage
112
chori/o
chorion
113
choroid/o
choroid
| Note pigmented vascular layer of eyeball between retina and sclera
114
chrom/o
color
115
chromat/o
color
116
-cide
killing
117
cine-
movement
118
circum-
around
119
cirrh/o
yellow
120
-cision
a cutting
121
-clasia
to break; surgical fracture
122
-clasis
to break; surgical fracture
123
-clast
to break; surgical fracture
124
clavicul/o
clavicle (collar bone)
125
-cleisis
closure
126
clon/o
clonus (turmoil)
127
-clysis
irrigation, washing
128
coccyg/o
coccyx (tailbone)
129
cochle/o
cochlea
130
col/o
colon
131
colon/o
colon
132
colp/o
vagina
133
condyl/o
condyle
134
coni/o
dust
135
conjunctiv/o
conjunctiva
136
-continence
to hold back
137
contra-
against; opposite
138
cor/o
pupil
139
core/o
pupil
140
corne/o
cornea
141
coron/o
heart
142
corp/o
body
143
corpor/o
body
144
cortic/o
cortex
145
cost/o
ribs
146
crani/o
cranium (skull)
147
crin/o
secrete
148
-crine
secrete
149
cruci/o
cross
150
cry/o
cold
151
crypt/o
hidden
152
culd/o
cul-de-sac
153
-cusia
hearing
154
-cusis
hearing
155
cutane/o
skin
156
cyan/o
blue
157
cycl/o
ciliary body of the eye; circular; cycle
158
-cyosis
pregnancy
159
cyst/o
bladder
160
cyt/o
cell
161
-cyte
cell
162
dacry/o
tear; lacrimal apparatus (duct, sac, or gland)
163
dacryocyst/o
lacrimal sac
164
dactyl/o
fingers; toes
165
de-
cessation
166
dendr/o
tree
167
dent/o
teeth
168
derm/o
skin
169
-derma
skin
170
dermat/o
skin
171
-desis
binding, fixation (of a bone or joint)
172
di-
double
173
dia-
through; across
174
dipl-
double
175
dipl/o
double
176
dips/o
thirst
177
dipsia
thirst
178
dist/o
far, farthest
179
dors/o
back (of the body)
180
duct/o
to lead; carry
181
-duction
act of leading, bringing, conducting
182
duoden/o
duodenum (first part of the small intestine)
183
dur/o
dura mater; hard
184
-dynia
pain
185
dys-
bad; painful; difficult
186
eal
pertaining to
187
ec-
out; out from
188
echo-
a repeated sound
189
ectasis
dilation, expansion
190
ecto-
outside; outward
191
-ectomy
excision, removal
192
-edema
swelling
193
ef-
away from
194
electr/o
electricity
195
-ema
state of; condition
196
embol/o
embolus (plug)
197
-emesis
vomiting
198
-emia
blood condition
199
emphys/o
to inflate
200
en-
in, within
201
encephal/o
brain
202
end-
in, within
203
endo-
in, within
204
enter/o
intestine (usually small intestine)
205
eosin/o
dawn (rose-colored)
206
epi-
above; upon
207
epididym/o
epididymis
208
epiglott/o
epiglottis
209
episi/o
vulva
210
erythem/o
red
211
erythemat/o
red
212
erythr/o
red
213
eschar/o
scab
214
-esis
condition
215
eso-
inward
216
esophag/o
esophagus
217
esthes/o
feeling
218
-esthesia
feeling
219
eti/o
cause
220
eu-
good; normal
221
ex-
out; out from
222
exo-
outside; outward
223
extra-
outside
224
faci/o
face
225
fasci/o
band, fascia (fibrous membrane supporting and separating muscles)
226
femor/o
femur (thigh bone)
227
-ferent
to carry
228
fibr/o
fiber, fibrous tissue
229
fibul/o
fibula (smaller bone of the lower leg)
230
fluor/o
luminous, fluorescent
231
galact/o
milk
232
gangli/o
ganglion (knot or knotlike mass)
233
gastr/o
stomach
234
-gen
forming, producing; origin
235
gen/o
forming, producing; origin
236
-genesis
forming, producing; origin
237
genit/o
genitalia
238
gest/o
pregnancy
239
gingiv/o
gum(s)
240
glauc/o
gray
241
gli/o
glue; neuroglial tissue
242
-glia
glue; neuroglial tissue
243
globin
protein
244
glomerul/o
glomerulus
245
gloss/o
tongue
246
glott/o
glottis
247
gluc/o
sugar, sweetness
248
glucos/o
sugar, sweetness
249
glyc/o
sugar, sweetness
250
glycos/o
sugar, sweetness
251
gnos/o
knowing
252
-gnosis
knowing
253
gon/o
seed (ovum or spermatozoon)
254
gonad/o
gonads, sex glands
255
-grade
to go
256
-graft
transplantation
257
-gram
record, writing
258
granul/o
granule
259
-graph
instrument for recording
260
-graphy
process of recording
261
-gravida
pregnant woman
262
gyn/o
woman, female
263
gynec/o
woman, female
264
hallucin/o
hallucination
265
hedon/o
pleasure
266
hem/o
blood
267
hemangi/o
blood vessel
268
hemat/o
blood
269
hemi-
one half
270
hepat/o
liver
271
hetero-
different
272
hidr/o
sweat
273
hist/o
tissue
274
histi/o
tissue
275
home/o
same, alike
276
homeo-
same, alike
277
homo-
same
278
humer/o
humerus (upper arm bone)
279
hydr/o
water
280
hyp-
under, below; deficient
281
hyp/o
under, below; deficient
282
hyper-
excessive; above normal
283
hypn/o
sleep
284
hypo-
under, below; deficient
285
hyster/o
uterus (womb)
286
-ia
condition
287
iac
pertaining to
288
-iasis
abnormal condition (produced by something specified)
289
iatr/o
physician; medicine; treatment
290
-iatry
medicine; treatment
291
-ic
pertaining to
292
-ical
pertaining to
293
-icd
noun ending
294
ichthy/o
dry; scaly
295
-ician
specialist
296
icle
small, minute
297
-icterus
jaundice
298
idi/o
unknown; peculiar
299
ile
pertaining to
300
ile/o
ileum (third part of the small intestine)
301
ili/o
ilium (lateral, flaring portion of the hip bone)
302
im-
not
303
immun/o
immune, immunity, safe
304
in-
in; not
305
ine
pertaining to
306
infer/o
lower, below
307
infra-
below, under
308
inguin/o
groin
309
insulin/o
insulin
310
inter-
between
311
intestin/o
intestine
312
intra-
in, within
313
ion
the act of
314
;ior
pertaining to
315
irid/o
iris
316
is
noun ending
317
isch/o
to hold back; block
318
ischi/o
ischium (lower portion of the hip bone)
319
ism
condition
320
iso-
same; equal
321
ist
specialist
322
isy
state of; condition
323
itic
pertaining to
324
it is
inflammation
325
ive
pertaining to
326
-ization
process (of)
327
jaund/o
yellow
328
jejun/o
jejunum (second part of the small intestine)
329
kal/i
potassium (an electrolyte)
330
kary/o
nucleus
331
kerat/o
horny tissue; hard; cornea
332
ket/o
ketone bodies (acids and acetones)
333
keton/o
ketone bodies (acids and acetones)
334
kinesi/o
movement
335
-kinesia
movement
336
kinet/o
movement
337
kyph/o
humpback
338
labi/o
lip
339
labyrinth/o
labyrinth (inner ear)
340
lacrim/o
tear; lacrimal apparatus (duct, sac, or gland)
341
lact/o
milk
342
-lalia
speech, babble
343
lamin/o
lamina (part of vertebral arch)
344
lapar/o
abdomen
345
laryng/o
larynx (voice box)
346
later/o
side; to one side
347
lei/o
smooth
348
leiomy/o
smooth muscle (visceral)
349
-lepsy
seizure
350
lept/o
thin, slender
351
leuk/o
white
352
lingu/o
tongue
353
lip/o
fat
354
lipid/o
fat
355
-listhesis
slipping
356
-lith
stone, calculus
357
lith/o
stone, calculus
358
lob/o
lobe
359
log/o
study of
360
-logist
specialist in the study of
361
-logy
study of
362
lord/o
curve, swayback
363
-lucent
to shine; clear
364
lumb/o
loins (lower back)
365
lymph/o
lymph
366
lymphaden/o
lymph gland (node)
367
lymphangi/o
lymph vessel
368
lysis
separation; destruction; loosening
369
macro-
large
370
mal-
bad
371
-malacia
softening
372
mamm/o
breast
373
-mania
state of mental disorder, frenzy
374
mast/o
breast
375
mastoid/o
mastoid process
376
maxill/o
maxilla (upper jaw bone)
377
meat/o
opening, meatus
378
medi-
middle
379
medi/o
middle
380
mediastin/o
mediastinum
381
medull/o
medulla
382
mega-
enlargement
383
megal/o
enlargement
384
-megaly
enlargement
385
melan/o
black
386
men/o
menses, menstruation
387
mening/o
meninges (membranes covering the brain and spinal cord)
388
meningi/o
meninges (membranes covering the brain and spinal cord)
389
ment/o
mind
390
meso-
middle
391
meta-
change; beyond
392
metacarp/o
metacarpus (hand bones)
393
metatars/o
metatarsus (foot bones)
394
-meter
instrument for measuring
395
metr/o
uterus (womb); measure
396
metri/o
uterus (womb)
397
-metry
act of measuring
398
mi/o
smaller; less
399
micr/o
small
400
micro-
small
401
mono-
one
402
morph/o
form, shape; structure
403
muc/o
mucus
404
multi-
many, much
405
muscul/o
muscle
406
mut/a
genetic change
407
my/o
muscle
408
myc/o
fungus (plural, fungi)
409
mydr/o
widen, enlarge
410
myel/o
bone marrow; spinal cord
411
myos/o
muscle
412
myring/o
tympanic membrane (eardrum)
413
myx/o
mucus
414
narc/o
stupor; numbness; sleep
415
nas/o
nose
416
nat/o
birth
417
natr/o
sodium (an electrolyte)
418
necr/o
death, necrosis
419
neo-
new
420
nephr/o
kidney
421
neur/o
nerve
422
neutr/o
neutral; neither
423
nid/o
nest
424
noct/o
night
425
nucle/o (kary/o)
nucleus
426
nulli-
none
427
nyctal/o
night
428
obstetr/o
midwife
429
ocul/o
eye
430
odont/o
teeth
431
-oid
resembling
432
-ole
small, minute
433
olig/o
scanty
434
-oma
tumor
435
omphal/o
navel (umbilicus)
436
onc/o
tumor
437
onych/o
nail
438
oophor/o
ovary
439
-opaque
obscure
440
ophthalm/o
eye
441
-opia
vision
442
-opsia
vision
443
-opsy
view of
444
opt/o
eye, vision
445
optic/o
eye, vision
446
or/o
mouth
447
orch/o
testis (plural, testes)
448
orchi/o
testis (plural, testes)
449
orchid/o
testis (plural, testes)
450
-orexia
appetite
451
orth/o
straight
452
-ory
pertaining to
453
-ose
pertaining to; sugar
454
-osis
abnormal condition; increase (used primarily with blood cells)
455
-osmia
smell
456
oste/o
bone
457
ot/o
ear
458
ous
pertaining to
459
ovari/o
ovary
460
ox/i
oxygen
461
ox/o
oxygen
462
-oxia
oxygen
463
TO TURN "A" TO PLURAL
Retain a and add e.' EX: PLEURA AND PLEURAE
464
TO TURN "AX" TO PLURAL
Drop x and add ces. EX: THORAX AND THORACES
465
TO TURN "EN" TO PLURAL
Drop en and add ina.EX: LUMEN AND LUMINA
466
TO TURN "IS" TO PLURAL
Drop is and add es. EX: DIAGNOSIS AND DIAGNOSES
467
TO TURN "IX" TO PLURAL
Drop ix and add ices. EX: APPENDIX AND APPENDICES
468
TO TURN "EX" TO PLURAL
Drop ex and add ices. EX: APEX AND APICES
469
TO TURN "MA" TO PLURAL
Retain ma and add ta. EX: CARCINOMA AND CARCINOMATA
470
TO TURN "ON" TO PLURAL
Drop on and add a. EX: GANGLION AND GANGLIA
471
TO TURN "UM" TO PLURAL
Drop um and add a. EX: BACTERIUM AND BACTERIA
472
TO TURN "US" TO PLURAL
Drop us and add i. EX: BRONCHUS AND BRONCHI
473
TO TURN "Y" TO PLURAL
Drop y and add ies. EX: DEFORMITY AND DEFORMITIES
