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Medical terminology
Prefixes
| Term | Definition |
|---|---|
| a- | without, not |
| an- | without, not |
| ante- | before, in front of |
| anti- | against |
| auto- | self, own |
| brady- | slow |
| contra- | against |
| de- | cessation |
| dys- | bad, painful, difficult |
| endo- | within, inside |
| epi- | above, upon |
| eso- | inward |
| eu- | good, normal |
| ex- | out, out from |
| exo- | outside, outward |
| extra- | outside |
| hetero- | different |
| home- | same |
| hydro- | water |
| hyper- | excessive, above normal |
| hypo- | under, below, deficient |
| in- | in, not |
| inter- | between |
| intra- | in, within |
| macro- | large |
| micro- | small |
| myo- | muscle |
| neo- | new |
| pan- | all |
| para- | beside, near, beyond |
| per- | through |
| peri- | around |
| post- | after |
| pre- | before, in front of |
| pro- | before, in front of |
| pseudo- | false |
| retro- | backward, behind |
| sub- | under, below |
| supra- | above, excessive, superior |
| tachy- | rapid |
| trans- | across, through |
| ultra- | excess, beyond |
| un- | not, reversal |
| bi- | two |
| hemi- | one-half |
| mono- | one |
| multi- | many, much |
| nulli- | none |
| poly- | many, much |
| primi- | first |
| quadri- | four |
| semi- | one-half |
| tetra- | four |
| tri- | three |