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Prefix
Medical Terminology; Completed 4/26/24
| Term | Definition |
|---|---|
| a- an- | without (2) |
| ab- | away from |
| acu- | needle |
| ad- (3) | to, toward, near |
| allo- hetero- | different (2) |
| ambi- (3) | about, around, both |
| amphi- (2) | around, on both sides |
| ana- (3) | against, backward, up |
| aniso- | unequal |
| anti- | against |
| ante- pro- (2) | before, forward (2) |
| apo- (2) | away, separation |
| atmo- (2) | steam, vapor |
| atreto- | closed, lacking an opening (2) |
| auto- | self |
| bary- (3) | dull, hard, heavy |
| batho- bathy- (2) | deep, depth (2) |
| bi- di- | two (2) |
| bio- (2) | life, living |
| brady- | slow |
| cata- (2) | down, under |
| cine- | movement |
| circum- peri- | around (2) |
| con- | with |
| contra- (2) | against, opposite |
| demi- hemi- semi- | half |
| dia- | across, through |
| dis- (2) | apart, free of |
| dys- (2) | difficult, with pain |
| ec- ecto- exo- (2) | out, outside (3) |
| echo- | reverberating sound |
| equi- (2) | equal, equality |
| en- (2) | inside, within |
| endo- eso- intra- | within (3) |
| electr- | electricity |
| epi- (3) | above, over, upon |
| eu- (3) | good, normal, well |
| eury- (2) | broad, wide |
| ex- (2) | away from, out |
| extra- | outside |
| fore- pre- (2) | before, in front of (2) |
| heredo- | heredity |
| hetero- (2) | different, other |
| holo- | complete, entire |
| homeo- homo- ipsi- (3) | constant, likeness, sameness (3) |
| hydro- (2) | hydrogen, water |
| hyper- (3) | above, beyond, excessive |
| hypo- (3) | below, deficient, under |
| hypsi- | high |
| Infra- (2) | below, beneath |
| inter- | between |
| intra- | within |
| ipsi- iso- tauto- (2) | identical, same (3) |
| ithy- | straight |
| juxta- | near |
| levo- | left |
| mal- (2) | bad, poor |
| mega- meglo- | large (2) |
| meli- melit- (2) | honey, sugar (2) |
| meso- | middle |
| meta- | next to |
| mogi- | difficult |
| mono- (2) | one, single |
| multi- | many |
| neo- | new |
| noci- | to cause harm, injury, or pain |
| nomen- | name |
| nulli- | none |
| oxy- (3) | quick, sharp, sour |
| pachy- | thick |
| pali- palin- (2) | recurrence, repetition (2) |
| pan- | all |
| para- (4) | abnormal, around, beside, beyond |
| per- (2) | through, throughout |
| peri- (2) | around, surrounding |
| platy- (2) | broad, flat |
| pluri- (2) | more, several |
| poly- (2) | many, much |
| post- (2) | after, behind |
| presby- | aging, elderly |
| primi- | first |
| pseudo- | false |
| quad- | four |
| re- (3) | again, back, backward |
| retro- (2) | behind, in back of |
| secondi- | second |
| sub- (2) | beneath, under |
| super- supra- (2) | above, beyond (2) |
| syn- | together |
| tachy- | fast |
| trachy- | rough |
| trans- (2) | across, through |
| tri- | three |
| ultra- (2) | beyond, excess |
| un- (2) | not, reversal |
| uni- | one |