Medical Terms: Chapter 3

without, not

a-, an-

all

pan-

from, away from

ab-

toward

ad-

against

anti-, contra-

two

bi-

none

nulli-

slow

brady-

around

circum-, peri-

prefixes of position

describe a place or location

prefixes of number and measurement

describe an amount, size, or degree of involvement

double

dipl-, diplo-

bad, painful difficult

dys-

outside, outward

ecto-, exo-, extra-

in, within

endo-, intra-

above, upon

epi-

good, normal

eu-

one-half

hemi-

different

hetero-

same

homo-, homeo-

excessive, above normal

hyper-

under, below, deficient

hypo-

prefixes of direction

indicate a pathway or route

under, below

infra-, sub-

between

inter-

large

macro-

bad

mal-

small

micro-

one

mono-, uni

many, much

multi-, poly-

near, beside, beyond

para-

around

peri-

after

post-

after, behind

post-

before

pre-

before, in front of

pre-, pro-

first

primi-

false

pseudo-

four

quadri-

backward, behind

retro-

upper, above

super-

excessive, superior, above

supra-

union, together, joined

syn-

rapid

tachy

through, across

trans-,dia-

three

tri-

excess, beyond

ultra-