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COTR-HCA Prefixes

Medical Terminology Prefixes

a-, an without, not, lack of
ab- away from
ad- to, toward, near
ante- before, forward, in front of
anti- against
auto- self
bi- double, two, twice
brady- slow
circum- around
contra- against, opposite
de- down, from
dia- across, through, apart
dis- apart, free from
dys- difficult, abnormal
ecto- outer, outside
en- in, into, within
endo- inner, inside
epi- over, on, upon
eryth- red
eu- normal, good, well, healthy
ex- out, out of, from, away from
hemi- half
hyper- excessive, too much, high
hypo- under, decreased, less than normal
in- in, into, within, not
infra- within
inter- between
intra- into, within
leuk- white
macro- large
mal- illness, disease
meg- large
micro- small
mono- one, single
neo- new
non- not
olig- small, scant
para- beside, beyond, after
per- by, through
peri- around
poly- many, much
post- after, behind
pre- before, in front of, prior to
pro- before, in front of
re- again, backward
retro- backward, behind
semin- half
sub- under, beneath
super- above, over, excess
supra- about, over
tachy- fast, rapid
trans- across, over
uni- one
Created by: COTR-HCA