medical terminology - prefixes

a/an-

without/to lack

ab-

away from/off

abdom-

abdonminal

ad-

toward/to

ana-

up/back/again

angio-

vessel

ante-

before

anti-

against

auto-

self

bi-

two

bio-

life

brady-

slow

calc-

stone

cardi-

heart

cephal-

head

cerbr-

brain

chondr-

cartilage

contra-

against

cost-

rib

cyt-

cell

de-

down from

di-

twice/double

dia-

through

dys-

painful/abnormal/difficult

ect-

out from

endo-

within inside

epi-

on/upon

eu-

good/well/normal

ex-

removal/out/outside of

extra-

outside of

glyc-

sugar

hemat-

blood

heter-

different/other

hyper-

over/excessive

hypo-

under/deficient

in-

in/into/inside

infra-

beneath/lower/below

inter-

between

intra-

within/inside of

iso-

equal

lith-

stone

mal-

bad/abnormal

my/o-

muscle

necr-

death

olig-

scant/deficient

oro-

mouth

ortho-

straight/normal

oto-

ear

pan-

all

para-

by the side

path/o-

diseasep

pepsia-

digestion

per-

through/very/excess

peri-

around

phag-

eating/swallowing

phleb-

vein

poly-

many

poly-

many

post-

after/behind/following

pre-

before/in front of/forward

pyel-

kidney or pelvis

retr/o-

behind/backward

scler-

hard/sclera(eye)

semi-

half/partial

sub-

beneath/nearly/downward

supra-

more/above/excess

tachy-

fast

therm

temperature

trans-

across/through/beyond

ultra

beyond/in excess

vas/o

vessel