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Medical Prefixes


a- no, not, without, a lack of
ab- away from
acro- extreme, extremities
ad- toward
allo- other, different
an- no, not, without
ana- up, apart, away
ante- before, in front of, forward
audi- hearing
anti- against
apo- separate, away from
auto- self
bi- two
brady- slow
circum- around
contra- against, opposite
de- lack of, down
di- two, both
dia- complete, through
dys- abnormal, bad, difficult, painful
e- out, outward
echo- sound, reverberation
ec-, ecto- out, outward, outside
en- in
end-, endo- in, within
epi- above, on top of, upon
eso- inward
eu- good, healthy, normal
ex-, exo- out, outward
extra- outside
hemi- half, partial
homo- same
hyper- above, over, excessive,
hypo- under, below, deficient, decreased
in- in, into
in- not
infra- down
inter- between
intra- within
ipsi- same
levo- left
macro- large
meta- beyond, change, after
micro- small, tiny
mono- one
multi- many
neo- new
non- not
nulli-, nulti- none
oxy- rapid, sharp, oxygen
pan- all
par- beside, near
para- beside, near, abnormal
per- through
peri- around, surrounding
poly- many, much, excessive, frequent
post- after, behind
pre- before, in front of
primi- first
pro- in favor of, forward, in front of
pseudo- false
quadri- four
re- again, back, backward
retro- behind, backward
sub- under, below
supra- above, upward
sym- together
syn jointed together
tachy- fast, rapid
tetra- four
trans- across, through
tri- three
tropin- act upon
uni- one
Created by: Laura Duncan