Common Prefix Terms

Medical Terminology From CCMA Certification

a-, an-

without

ab-

away, from

ad-

toward

ambi-

both

ante

before

anti

against

auto

self

bi

two, twice, double

brady

slow

circum

around

contra

against

de

down

dys

painful, abnormal, difficult, bad

endo

within, inside

epi

above, on

eu

normal, good

ex, extra, exo

outside of

hemi

half

hyper

above, excessive, increased

hypo

below, decreased, insufficient

infra

beneath

inter

between, among

intra

within, during

levo

to the left

macro

large

mal

bad

mega

exceptionally large

meso

middle

meta

beyond, change

micro

small

mono

one

multi

many

neo

new

nulli

none

peri

around

poly

many

post

after, behind

pre, pro

before, in front of

presby

older age

primi

first

pseudo

false

quadri

four

retro

behind, in back ofs

sten

narrowed

sub

under

super, supra

above, excess

sym, syn

together, with

tachy

fast

trans

fast

trans

across

tri

three

ultra

beyond, excess

uni

one