a, an
no, not, without
aut, auto
self, own
dia
complete, through
endo
within
epi
above, upon
ex, exo
out, outside of, outward
hyper
excessive, above, more than normal
in
into, in
peri
surrounding, around
pro
before, forward
re
back, backward, again
retro
behind
sub
below, under
trans
across, through
what is a prefix?
Prefixes are located at the beginning of a medical term. The prefix alters the meaning of the medical term.
ab
away from
ad
toward
ana
up, apart
ante
before, forward
anti
against
auto
self, own
bi
two
brady
slow
cata
down
con
with, together
contra
against, opposite
de
down, lack of
dia
through, complete
ec
out, outside
endo
in, within