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Medical Terminology
Prefixes
Term | Definition |
---|---|
a,an-,ar= | without, lack of |
ab- | away from |
ad- | to; toward |
ambi- | both |
amphi- | both sides |
ana- | up;apart |
ante- | before; in front of |
anter/o- | in front, before |
anti- | against |
anis/o- | unequal, dissimilar |
auto- | self |
bi- | two |
brady- | slow |
cata- | down |
circum- | around |
co, com, con- | together |
contra | against; opposite |
de- | lack of; down; away from |
dextr/o | right side |
di- | two |
dia- | between; through; complete |
dipl-, dilp/o | double, two fold |
dors/o | back |
dys- | painful, difficult, bad |
ec-, ex- | out, out from |
ect/o-, exo-, extra | outside, outward |
em, en- | in |
endo- | within |
epi- | upon; above |
eu- | good, normal |
extra- | outside |
hemi- | half |
heter/o | different |
hidr/o | sweat |
homo- | same |
hydr/o | water |
hyper- | above; excessive; beyond |
hypo- | below; deficient; under |
im, in- | not, in |
infra- | below; inferior to |
inter- | between |
intra- | within |
is/o | equal |
later/o | side |
macro- | large; visible to the naked eye |
mal- | bad |
meso-mid-medi- | middle |
meta- | change; beyond, after, over |
micro- | small; not visible the the naked eye |
mon/o- | one |
multi- | many, much |
neo- | new |
pachy- | thick |
pan- | all |
para- | beside; along side, near |
per- | through |
peri- | around; surrounding |
poly- | many, much |
post- | after; behind |
poster/o | posterior, behind, toward the back |
pre- | before; in front of |
primi- | first |
pro- | before |
pseud/o- | false |
quad, quadri- | four |
re- | back; again |
retro- | behind; backward |
scler/o- | hard |
semi- | part of; half |
sinistr/o | left side |
sub- | under; below |
super- | above; upon |
supra- | above; upon |
sym, syn- | together; with, joined |
tachy- | fast |
tetra- | four |
trans- | across, through |
tri- | three |
ultra- | beyond; in excess |
uni- | one |