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Chap. 1 - Prefixes
| Prefix | Meaning |
|---|---|
| a- an- | NOT (example: Aphasia: loss of ability to understand or express speech) |
| anti- contra- | AGAINST (Antibiotics & Contraceptive) |
| de- | DOWN, AWAY FROM (Dehydration) |
| ante- pre- | BEFORE (Antepartum & Prenatal : time before childbirth) |
| pro- | BEFORE, ON BEHALF OF (Probiotic) |
| brady- | SLOW (Bradycardia: when the heart beats very slowly - less than 60 bpm) |
| tachy- | FAST (Tachycardia: when the heart beats very quickly - over 100 bpm) |
| post- | AFTER (Postpartum: after childbirth) |
| re- | AGAIN (Rehabilitation) |
| ab- | AWAY (Abduction) |
| ad- | TOWARD (Adduction) |
| circum- peri- | AROUND (Circumcision & Pericardium) |
| dia- trans- | THROUGH (Diagnostic & Translate) |
| e- ec- ex- | OUT (Evoke, Ectopic, Exhale) |
| ecto- exo- extra- | OUTSIDE (Ectoderm: outermost layer of cells or tissue of an embryo in early development. & Exoskeleton) |
| en- endo- intra- | IN, INSIDE (Enema, Endocrine, Intravenous) |
| epi- | UPON (Epididymis: attached upon each of the testicles) |
| sub- | BENEATH (Subcutaneous: beneath the skin) |
| inter- | BETWEEN (Intercostal: between the ribs) |
| bi- | TWO (Bilateral) |
| hemi- semi- | HALF (Hemisphere & Semiannual) |
| hyper- | OVER (Hyperthermia: body is over-heated) |
| hypo- | UNDER (Hypothermia: body is under-heated; too cold) |
| macro- | LARGE (Macrotia: very large ears) |
| micro- | SMALL (Microdontia: very small teeth) |
| mono- uni- | ONE (Monocyte & Unisex) |
| oligo- | FEW (Oligomenorrhea: infrequent menstrual periods) |
| pan- | ALL (Pancytopenia: occurs when a person has a decrease in ALL 3 blood cell types) |
| poly- multi- | MANY (Polygraph & Multicellular) |
| con- syn- sym- | WITH, TOGETHER (Congestion, Syndrome, Symmetry) |
| dys- | BAD (Dysentery) |
| eu- | GOOD (Euphoria) |