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Common Prefixes
Medical Terminology
Term | Definition |
---|---|
a-, an- | without |
anti-, contra | against or opposed to |
de- | from, down, or not |
ab- | away from |
ad- | to, toward, near |
circum, peri | around |
dia-, trans- | across or through |
e-, ec, ex- | out or away |
ecto-, exo-, extra- | outside |
en-, endo- intra- | within |
epi- | upon |
inter- | between |
meso- | middle |
meta- | beyond, after, or change |
para- | alongside of or abnormal |
retro- | backward or behind |
sub-, infra | below or under |
bi- | two or both |
hemi-, semi- | half |
hyper- | above or excessive |
hypo- | below or deficient |
macro- | large or long |
micro- | small |
mono-, uni- | one |
oligio- | few or deficent |
pan- | all |
poly-, multi- | many |
quadri- | four |
super-, supra- | above or excessive |
tri- | three |
ultra- | beyond or exessive |
ante-, pre-, pro- | before |
brady- | slow |
tachy- | fast |
post- | after or behind |
re- | again or back |
con-, syn, sym- | together or with |
dys- | painful, difficult, or faulty |
eu- | good or normal |
neo- | new |