prefixes used in medical terminology.

a-; an-; ana-

no; not; without

ab-

away from

ante-

before

anti-

Against

auto-

Self

bi-

two; double; both

brady-

slow

carcin-

cancerous

contra-

Against

dys-

Difficult; painful

endo-

Within

epi-

above

ex-

Out

gynec-

Woman

hemi-

Half

hyper-

excessive

hypo-

deficient

infra-

inferior

inter-

Between

intra-

within

iso-

equal

macro-

large

mal-

bad; poor

micro-

small

multi-

many

neo-

new

non-

not

oligo-

few

pan-

all

para-

near; beside

per-

through

peri-

around; surround

poly-

many; excessive

post-

after

pre-

before

semi-

half

super-

above; over; excess

supra-

above

sym-

with

syn-

together; with

tachy-

fast

xero-

dry