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Helpful Prefixes
| Prefix | Meaning and Examples |
|---|---|
| A- | without, not (atypical) |
| Ab- | away from, off (abnormal) |
| Amyl- | starch (amylopsin) |
| An- | not, without (anhydrous) |
| Ana- | up, upon (anabolism) |
| Angio- | vessel (angiocarditis) |
| Ante- | before, in front of (anterior) |
| Anti- | against, opposed to (antitoxin, anthelmintic) |
| Apo- | off, from, away from ( apoplexy) |
| Auto- | self (autosuggestion) |
| Bi- | two, twice (biceps, bifocal) |
| Bio- | life (biology) |
| Brachy- | short (brachycardia) |
| Chrom- | color (chromosome) |
| -cyte, Cyto- | cell (cytoplasm) |
| Di- | two, twice (dichromic) |
| Dia- | through, between (diaphragm |
| Dys- | bad, difficult (dyspepsia) |
| Glyc- | glucose, sugar (glycosuria) |
| -graph | to write (cardiograph) |
| Hemo- | blood (hemorrhage |
| Hetero- | different, other (heterozygous) |
| Homo- | alike, same (homozygous) |
| Hydro- | water (hydrolytic) |
| Hyper- | over, more than (hypersecretion) |
| Hypo- | under, less than (hyposecretion) |
| Inter- | between, together (intercostal) |
| Intra- | within (intrathoracic) |
| Ir- | not (irregular) |
| -lysin, -lysis, -lytic | dissolve, destroy (hemolysis) |
| Macro- | large (macrophage) |
| Micro- | small (microorganism) |
| Mono- | one (monocyte, monosaccharide) |
| Myo- | muscle (myosin, myoglobin) |
| Nuer- | relating to nerves (neurilemma) |
| Oo- | egg (oocyst) |
| Ovi- | egg (oviducy, ovipositor) |
| Para- | near, by, beside (parathyroid) |
| Peri- | around, near (pericardium) |
| Phago- | to eat (phagocyte) |
| -phil- | loving (basophil, eosinophil) |
| -plasm- | substance (cytoplasm, plasmolysis) |
| -ped | foot (pseudoped) |
| Poly- | many (polysaccharide) |
| Post- | after, behind (postganglionic) |
| Pro- | before, giving rise to (proenzyme) |
| Pseudo- | false (pseudoped) |
| -rrhea | flow (diarrhea) |
| -tome,-tomy | to cut (tonsillectomy) |
| -trophic | feeding (autotrophic) |