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Mosbys
Medical Terminology PREFIXES
| Question | Answer |
|---|---|
| a-, ab-, abs- | From; away; departing from the normal |
| ad- | Addition to; toward; nearness |
| af-, | ag- Toward |
| al- | Similar |
| algi- | Pain; suffering |
| all- | Other; different |
| amb-, | ambi- Both |
| amph- | Around; on both sides; doubly |
| amphi- | On both sides |
| ampho- | Both |
| an- | Negative; without or not |
| ana- | Upper; away from |
| andro- | Signifying man |
| angi- | Vessel |
| aniso- | Unequal |
| ant-, anti- | Against |
| ante-, antero- | Front; before |
| ap-, as-, at- | Toward |
| apo- | Oppose; detached |
| auto- | Self |
| bi-, bis- | Two; twice; double |
| bio- | Life |
| brady- | Slow |
| brom-, bromo- | A stench |
| bulla- | Blister |
| cac- | Bad; ill |
| cat-, cata-, cath-, kata-, kath- | Down; downward; lower; under |
| cent- | Hundred |
| cera- | Wax |
| circa- | About |
| circum- | Around |
| co-, con-, com- | With; together |
| contra- | Opposite; against |
| de- | Down from; lack of, not |
| deca-, deci- | Ten; tenth |
| dek-, deka- | Ten |
| demi- | Half |
| di- | Twice |
| dia- | Through; apart; across; between; complete |
| dialy- | To separate |
| dis- | Reversal; separation; negative; duplication |
| dys- | Bad; difficult; disordered |
| e- | Out of; from |
| ec-, ecto-, ef-, es- | Outside; out |
| em- | In |
| en-, end-, endo-, ento-, eso- | Inward; within |
| ep-, epi- | Upon; in addition to; above |
| eu- | Normal; good; well; easy |
| ex-, exo- | Out of; away from; outside |
| extra- | Outside; beyond; in addition to |
| fibro- | Relating to fibers |
| fore- | In front of; before |
| hecto- | Hundred |
| hem-, hemo- | Relating to the blood |
| hemi- | Half |
| heter-, hetero- | Meaning other; relationship to another; different |
| hex-, hexa- | Six |
| holo- | All |
| homeo-, homo- | Denoting likeness or resemblance |
| hydra- | Water |
| hyper- | Above; excessive; beyond |
| hypo- | Below; less than |
| ideo- | Pertaining to mental images |
| idio- | Separate and distinct; oneself |
| in- | Into, not; in; inside; without; also intensive action |
| infra- | Below; beneath; inferior to |
| inter- | In the midst; between |
| intra-, | intro- Within; inside; into |
| ipsi- | Same |
| iso- | Equal; alike |
| juxta- | Of close proximity; nearby |
| kera- | Horn; hardness |
| karyo- | Nucleus of a cell |
| kilo- | One thousand |
| kypho- | Humped |
| mal- | Illness; disease; bad; poor |
| med-, medi-, mes- | Middle |
| meta- | Beyond; change; behind; next; after |
| micro- | Small; one millionth of a unit |
| milli- | One thousandth |
| mio- | Smaller; less |
| mono- | One; single |
| multi- | Many |
| nano- | Dwarf; small size |
| necro- | Denoting death |
| neo- | New |
| noci- | Harm; injury |
| non- | No; nine |
| nor- | Normal or parent compound (chemical term) |
| ob- | Against |
| oligo- | Scanty |
| omni- | all |
| oxy- | Oxygen; sharp; acid; quick |
| pachy- | Thick |
| pan- | All; entire |
| para- | Pair; beside; apart from |
| per- | Through; by means of; excessive |
| peri- | Around; about; near |
| poly- | Many |
| post- | Behind; after |
| pre- | Before; on behalf of |
| pro- | Before; in front of |
| pseudo- | False |
| quadri-, quart- | Four |
| quint- | Fifth |
| re- | Back; again (contrary) |
| retro- | Backward; behind |
| semi- | Half |
| sex- | Six |
| steato- | Fatty |
| sub- | Under; less; below |
| super- supra- | Above; excessiver; higher than |
| sym-, syn- | With; along; joined together |
| tachy- | Swift |
| tert- | Third |
| tetra- | Four |
| trans- | Across; over |
| tri- | Three |
| un- | Not; reversal |
| uni- | One |
| zoo- | Animal; life |