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Medical Terminology
Prefixes
Term | Definition |
---|---|
a- (ay) | not |
an- (an) | not |
anti- (AN-tee) | against |
contra- (KON-trah) | against |
de- (dee) | down, away from |
ante- (an-tee) | before |
pre- (pree) | before |
pro- (proh) | before, on behalf of |
brady- (brah-dih) | slow |
tachy- (tak-ih) | fast |
post- (pohst) | after |
re- (ree) | again |
ab- (ab) | away |
ad- (ad) | toward |
circum- (sir-kum) | around |
peri- (per-ee) | around |
dia- (dai-ah) | through |
trans- (tranz) | through |
e- (eh) | out |
ec- (ek) | out |
ex- (eks) | out |
ecto- (ek-toh) | outside |
exo- (ek-soh) | outside |
extra- (eks-trah) | outside |
en- (en) | in, inside |
endo- (en-doh) | in, inside |
intra- (in-trah) | in, inside |
epi- (eh-pee) | upon |
sub- (sub) | beneath |
inter- (in-ter) | between |
bi- (bai) | two |
hemi- (heh-mee) | half |
semi- (seh-mee) | half |
hyper- (hai-per) | over |
hypo- (hai-poh) | under |
macro- (mak-roh) | large |
micro- (mai-kroh) | small |
mono- (maw-noh) | one |
uni- (yoo-nee) | one |
oligo- (aw-lih-goh) | few |
pan- (pan) | all |
poly- (pawlee) | many |
multi- (mul-tee) | many |
con- (kon) | with, together |
syn- (sin) | with, together |
sym- (sim) | with, together |
dys- (dis) | bad |
eu- (yoo) | good |