Med Term Prefixes

a-

absent, without, away from EX: Abacterial

ab-

away from, EX: Abduction

ad-

to, toward, EX; Adduction

ambi-

both, EX: ambidextrous

a-, an-

without, EX: atypical

anti-

against, EX: anitbody, antidote

ante-

before, EX:anterior

bi-

two, EX: biceps

bio-

life, EX: biology

carcin- (o)

cancer, EX: carcinogenic

circum-

around, EX: Circumvent

co-

with, together, EX: cooperate

contra-

against, counter to, EX: contraindicate

de-

down, from EX: descend

di-

two, EX: Dissect

dis-

apart, away from, EX: dislocate

dors-

back, EX: Dorsal

dys-

abnormal, impaired, EX: dysfunction

e-

out, from, EX: emetric

ect-

outside, without, EX: ectoplasm

end-(o)

inside, within, EX: Endoderm

epi-

upon, over, in addition to, EX: epimysium

macro-(o)

large, long, EX: Macrophage

mal-

abnormal, bad, EX: malpractice

medi-

middle, midline, EX: medial

mega-

large, extreme, EX: megadose

micro-

small, EX: Microscope

mono-

one, single, EX: monolith

mutli-

many, multiple, EX: multiply

narc-

stupor, numbness, EX: Narcotic

ne- (o)

new, EX: nephyte, neonatal

nutri-

nourish, EX: nutrition

para-

next to, resembling, beside, EX: paralysis, paraplegic

path-

pertaining to disease, EX: pathology

per-

through, EX: perforate

peri-

around, EX: periosteum

poly-

many, much, EX: polyunsaturated

post-

after, later in time, EX: posthumous

pre, pro

before time, EX: Previous

pseud -(o)

false, pseudonym

quad-

four, EX: quadriplegic

re-

again, back, EX: repeat,review

retro-

backward, EX: Retrofit

sub-

under, below, EX: subscapularis

super-

above, in addition, EX: Superior

supra-

over,above, upper, EX: Supraspinatus

syn-

together, along with, EX: synergist

tri-

three, triceps

uni-

single, one, EX: unilateral

hyrdo-

denoting water, EX: hydrotherapy

hyper-

above, extreme, EX: hypertensive

hypo-

under, below, EX: hypodermic

in-

within, into, not, negative, EX: internal, inept

infra-

beneath, EX: infraspinatus

intra-

inside, EX: intravenous

leuk -(o)

white, EX: Leukocyte