Med terms prefixes

a- an-

without

anti- contra-

against or opposed to

de-

from, down, or not

ab-

away from

ad-

to, toward, or near

circum, peri-

around

dia, trans-

across or through

e, ec, ex

out or away

ecto, exo, extra

outside

en, endo, intra

within

epi

upon

inter

between

meso

middle

meta

beyond, after, or change

para

alongside of or abnormal

retro

backward or behind

sub, infra

below or under

bi

two or both

hemi, semi

half

hyper

above or ecessive

hypo

below or deficient

macro

large or long

micro

small

mono, uni

one

oligo

few or deficient

pan

all

poly, multi

many

quadri

four

super, supra

above or excessive

tri

three

ultra

beyond or excessive

ante, pre, pro

before

brady

slow

tachy

fast

post

after or behind

re

again or back

con, syn, sym

together or with

dys

painful, difficult, or faulty

eu

good or normal

neo

new