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Medical Terminology

Prefix, Suffix, and Combining forms

a- without
ab- away from
abdomin/o abdomen
-ac, -al, -ar, -ary, -eal, -ic, -ous, -tic pertaining to
acous/o hearing
acr/o extremity or topmost
-acusis hearing condition
ad- to, toward, near
aden/o gland
adip/o fat
adren/o, adrenal/o adrenal gland
aer/o air, gas
albumin/o protein
-algia pain
alveol/o alveolus (air sac)
ambi- both
an- without
an/o anus
andr/o male
angi/o vessel
ankyl/o crooked or stiff
ante- before
anti- against, opposed to
aort/o aorta
appendic/o appendix
aque/o water
-arche beginning
arteri/o artery
arthr/o joint
articul/o joint
-ase enzyme
-asthenia weakness
ather/o fatty paste
-ation process
atri/o atrium
audi/o hearing
aur/i ear
bacteri/o bacteria
balan/o glans penis
bi- two, both
bil/i bile
-blast, blast/o germ or bud
blephar/o eyelid
brachi/o arm
brady- slow
bronch/o, bronchi/o bronchus (airway)
bronchiol/o bronchiole (little airway)
bucc/o cheek
capn/o, carb/o carbon dioxide
carcin/o cancer
cardi/o heart
cata- down
-cele pouching, hernia
celi/o abdomen
-centesis puncture for aspiration
cephal/o head
cerebell/o cerebellum (little brain)
cerebr/o cerebrum (largest part)
cerumin/o wax
cervic/o neck or cervix
cheil/o lip
chol/e bile
chondr/o cartilage (gristle)
chrom/o, chromat/o color
chyl/o juice
circum- around
col/o, colon/o colon
colp/o vagina (sheath)
con- together, with
conjunctiv/o conjunctiva (to join together)
contra- against or opposed to
corne/o cornea
coron/o circle or crown
cost/o rib
crani/o skull
crin/o to secrete
cutane/o skin
cyan/o blue
cyst/o bladder, sac
cyt/o cell
dacry/o tear
dactyl/o digit (fingers/toes)
de- from, down, or not
dent/i teeth
derm/o, dermat/o skin
-desis binding
dextr/o right or on the right side
dia- across, through
diaphor/o profuse sweating
dips/o thirst
dis- separate from or apart
doch/o duct
duoden/o duodenum
-dynia pain
dys- painful, difficult, faulty
-e noun
e-, ec-, ex- out or away
-ectasis expansion or dilation
ecto- outside
-ectomy excision, removal
-emesis vomiting
-emia blood condition
en- within
encephal/o entire brain
endo- within
enter/o small intestine
epi- upon
epididym/o epididymis
episi/o vulva (covering)
erythr/o red
esophag/o esophagus
esthesi/o sensation
eu- good, normal
exo-, extra- outside
fasci/o fascia (a band)
femor/o femur
fibr/o fiber
gangli/o ganglion (knot)
gastr/o stomach
-gen, gen/o, -genesis origin or production
gingiv/o gum
gli/o glue
glomerul/o glomerulus (small ball)
gloss/o tongue
glott/o opening
gluc/o, glyc/o sugar
gnos/o knowing
-gram record
-graph instrument for recording
-graphy process of recording
gynec/o woman
hem/o, hemat/o blood
hemi- half
hepat/o, hepatic/o liver
herni/o hernia
hidr/o sweat
hist/o, histi/o tissue
hormon/o hormone (an urging on)
hydr/o water
hyper- above, excessive
hypo- below or deficient
hypn/o sleep
hyster/o uterus
-ia, -ism condition of
-iasis formation of or presence of
-iatrics, -iatry treatment
-icle small
ile/o ileum
immun/o safe
infra- below or under
inguin/o groin
inter- between
intra- within
ir/o, irid/o iris (colored circle)
iso- equal or like
-ist one who specializes in
-itis inflammation
-ium structure or tissue
jejun/o jejunum (empty)
kerat/o hard or cornea
ket/o, keton/o ketone bodies
kinesi/o movement
kyph/o humped-back
lacrim/o tear
lact/o milk
lapar/o abdomen
laryng/o larynx (voice box)
lei/o smooth
-lepsy seizure
leuc/o, leuk/o white
lex/o word or phrase
lingu/o tongue
lip/o fat
lith/o stone
lob/o lobe (a portion)
-logist one who specializes in the study or treatment of
-logy study of
lord/o bent
lumb/o loin (lower back)
lymph/o clear fluid
-lysis breaking down or dissolution
macro- large, long
-malacia softening
mamm/o breast
-mania abnormal impulse (attraction toward)
mast/o breast
meat/o opening
-megaly enlargement
melan/o black
men/o menstruation
mening/o, meningi/o meninges (membrane)
meso- middle
meta- beyond, after, change
-meter instrument for measuring
metr/o uterus
-metry process of measuring
micro- small
mono- one
morph/o form
multi- many
muscul/o, my/o, myos/o muscle
myc/o fungus
myel/o bone marrow, spinal cord
myring/o eardrum
narc/o stupor or sleep
nas/o nose
nat/i birth
necr/o death
neo- new
nephr/o kidney
neur/o nerve
ocul/o eye
-oid resembling
-ole small
olig/o few or deficient
-oma tumor
onc/o tumor or mass
onych/o nail
oophor/o ovary
ophthalm/o, opt/o eye
-opia condition of vision
orch/o, orchi/o, orchid/o testis (testicle)
or/o mouth
orth/o straight, normal, correct
-osis condition or increase
oste/o bone
ot/o ear
ovari/o ovary
ov/i, ov/o egg
ox/o oxygen
pachy- thick
palat/o palate
pan- all
pancreat/o pancreas
para- alongside of or abnorma
-paresis slight paralysis
patell/o knee cap
path/o disease
pector/o chest
ped/o child or foot
pelv/i hip bone
-penia abnormal reduction
per- through or by
peri- around
perine/o perineum
peritone/o peritoneum
-pexy suspension or fixation
phac/o, phak/o lens (lentil)
phag/o eat or swallow
pharyng/o pharynx (throat)
phas/o speech
-phil, -philia attraction for
phleb/o vein
phob/o exaggerated fear or sensitivity
phon/o voice or sound
phor/o to carry or bear
phot/o light
phren/o diaphragm or mind
plas/o formation
-plasia formation
-plasty surgical repair or reconstruction
-plegia paralysis
pleur/o pleura
-pnea breathing
pneum/o, pneumon/o air or lung
pod/o foot
-poiesis formation
poly- many
post- after or behind
pre- before
presby/o old age
pro- before
proct/o anus and rectum
prostat/o prostate
psych/o mind
-ptosis falling or downward displacement
pulmon/o lung
purpur/o purple
py/o pus
pyel/o basin
pylor/o pylorus (gatekeeper)
quadri- four
radi/o radius or radiation (xray)
re- again or back
rect/o rectum
ren/o kidney
reticul/o a net
retin/o retina
retro- backward or behind
rhabd/o rod shaped or striated (skeletal)
rhin/o nose
-rrhage, -rrhagia to burst forth
-rrhaphy suture
-rrhea discharge
-rrhexis rupture
salping/o uterine (fallopian) tube or eustachian tube
sarc/o flesh
schiz/o split or division
scler/o hard or sclera
scoli/o twisted
-scope instrument for examination
-scopy process of examination
seb/o sebum (oil)
semi- half
sial/o saliva
sigmoid/o sigmoid colon
sinistr/o left or on the left side
sinus/o hollow cavity
somat/o body
somn/o, somn/i sleep
son/o sound
-spasm involuntary contraction
sperm/o, spermat/o sperm (seed)
sphygm/o pulse
spin/o spine (thorn)
spir/o breathing
splen/o spleen
spondyl/o vertebra
squam/o scale
-stasis stop or stand
steat/o fat
sten/o narrow
stere/o 3D or solid
stern/o sternum (breastbone)
steth/o chest
stomat/o mouth
-stomy creation of an opening
sub- below or under
super-, supra- above or excessive
sym-, syn- together or with
tachy- fast
tax/o order or coordination
ten/o, tend/o, tendin/o tendon (to stretch)
test/o testis (testicle)
thalam/o thalamus (a room)
thorac/o chest
thromb/o clot
thym/o thymus gland or mind
thyr/o, thyroid/o thyroid gland (shield)
toc/o labor
tom/o to cut
-tomy incision
ton/o tone or tension
tonsill/o tonsil
top/o place
tox/o, toxic/o poison
trache/o trachea (windpipe)
trans- across or through
tri- three
trich/o hair
-tripsy crushing
troph/o nourishment or development
tympan/o eardrum
-ula, -ule small
uln/o ulna
ultra- beyond or excessive
uni- one
ur/o urine
ureter/o ureter
urethr/o urethra
urin/o urine
uter/o uterus
uvul/o uvula
vagin/o vagina (sheath)
varic/o swollen or twisted vein
vas/o, vascul/o vessel
ven/o vein
ventricul/o ventricle (belly or pouch)
vertebr/o vertebra
vesic/o, vesicul/o bladder or sac
vitre/o glassy
vulv/o vulva (covering)
xanth/o yellow
xer/o dry
-y condition or process of
Created by: kfoley3



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