Summary Medical Terminology | Essential Prefixes and More

Chapter 3 | Essential Prefixes and More Prefixes: Numbers or Quantities Mono-, Uni- —> one •Bi-, di- —> two •Tri- —> three •Quad-, quadri-, tetra- —> four •Centi- —> one hundred, one-hundredth •Milli- —> one-thousandth •Diplo- —> double •Hemi-, semi- —> half, partly •Hyper- —> excessive, more than normal •Hypo- —> under, less than normal •Multi-, poly- —> many •Nulli- —> none •Pan- —> all •Primi- —> first •Super-, ultra- —> excessive • Prefixes: Position or Direction Ab- —> away from •Ad- —> toward •Ante-, pre- —> before in time or in place •Circum-, peri- —> around •Contra- —> against or opposed •Dia- —> through •Ecto-, ex-, exo-, extra- —> outside, without, away from •En-, end-, endo- —> inside •Epi- —> above, on •Hypo-, infra-, sub- —> beneath, under •Inter- —> between •Intra- —> within •Ipsi- —> same •Meso-, mid- —> middle •Para- —> near, beside, or abnormal •Per- —> through or by •Post- —> after, behind •Retro- —> behind, backward •Super-, supra- —> above, beyond •Sym-, syn- —> joined, together •Trans- —> across • Miscellaneous Prefixes Related to description: •Anti-, contra- —> against ◦Brady- —> slow ◦Dys- —> bad, difficult ◦Eu- —> good, normal ◦Mal- —> bad ◦Pro- —> favoring, supporting ◦Tachy- —> fast ◦Related to time: •Ante-, pre-, pro- —> before ◦