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Medical Terminology
Medical Terminology Prefixes
| Term | Definition |
|---|---|
| dys- | bad, painful, difficult |
| hyper- | excessive, above normal, increased |
| hypo- | decreased, under, below normal |
| anti- | against |
| bi- | two, double |
| brady- | slow |
| endo-, intra-, end- | within, inside |
| epi- | above, upon, on |
| eu- | good, normal, well, easy |
| hemi- | one half |
| mal- | bad |
| neo- | new, strange |
| peri- | surrounding, around |
| poly- | excessive, many |
| post- | after |
| pre- | before |
| sub- | under, less, below |
| supra-, super- | above or excessive |
| tachy- | rapid, fast |
| ab- | away from, negative, absent |
| ad- | toward, to, in the direction of |
| ex-, exo- | out of, outside, away from |
| in- | in, into, not, without |
| macro- | large, abnormal size, or long |
| micro- | small |
| mega- | enlargement, great |
| inter- | between, among |
| retro- | behind, backward, back of |
| ana- | up, apart, excessive, back, backward |
| eti-, eti/o | cause of disease |
| pan- | all, entire, every |
| dextr/o | right side |
| sinistr/o | left side |
| olig/o | scanty, few |
| tri- | three |
| re- | again |
| brachy- | short |
| tele-, tele/o | distant, distance |
| pneu- | air, lung |
| par-, para- | beside, near, beyond, abnormal, apart from, opposite, along side of |
| hyp- | deficient, under, below |
| de- | down, lack of, from, not, removal |
| dia-, di- | through, between, apart, complete |
| pro- | supporting |
| an- | not, without |
| di- | twice, twofold, double |
| en- | in, within, into |
| intra- | within |
| a- | no, not, without, away from, negative |
| par- | abnormal |
| ultra- | beyond |
| bin- | two |
| extra- | outside |
| ec- | out |
| mio- | smaller |
| eso- | inward |
| e- | out of |
| mon- | one |
| oxy- | swift, sharp |
| nulli- | none |
| primi- | first |
| ante- | before, forward |
| multi- | many |