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Prefixes (OM)
Medical Prefixes
| Term | Definition |
|---|---|
| A-, an- | Without i |
| Ab- | Away, from |
| Ad- | Toward |
| Ambi- | Both |
| Ante- | Before |
| Anti- | Against |
| Auto- | Self |
| Bi- | Two, twice, double |
| Brady- | Slow |
| Circum- | Around |
| Contra- | Against |
| De- | Down |
| Dys- | Painful, abnormal, difficult, bad |
| Endo- | Within, inside |
| Epi- | Above, on |
| Eu- | Normal, good |
| Ex, extra-, exo- | Outside of |
| Hemi- | Half |
| Hyper- | Above, excessive, increased |
| Hypo- | Below, decreased, insufficient |
| Infra- | Beneath |
| Inter- | Between, among |
| Intra- | Within, during |
| Levo- | To the left |
| Macro- | Large |
| Mal- | Bad |
| Mega- | Exceptionally large |
| Meso- | Middle |
| Meta- | Over, beyond |
| Micro- | Small |
| Mono- | One |
| Multi- | Many |
| Neo- | New |
| Nulli- | None |