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Common Prefixes
Medical Terminology
| Term | Definition |
|---|---|
| A-, An- | Without; Lacking ex) Anemia |
| Andr/o- | Male ex) Androgen |
| Anti- | Against ex) Anticholinergic drugs |
| Auto- | Self ex) Autocrine |
| Bio- | Life ex) Biology |
| Chem/o- | Chemistry ex) Chemotherapy |
| Contra- | Against ex) Contraception |
| Cyt/o- | Cell ex) Cytokine |
| Dis- | Separation; Taking apart ex) Dissection |
| Dys- | Difficult; Abnormal ex) Dyspnea |
| Eu- | Good; Well ex) Eupnea |
| Fibr/o- | Fiber ex) Fibrosis |
| Gluco-, Glyco- | Glucose; Sugar ex) Glycogen |
| Gyn/o-, Gynec- | Female ex) Gynecology |
| Hydr/o- | Water ex) Hydrocephalus |
| Idio- | Self; One’s own ex) Idiopathic |
| Lyso-, Lys- | Break down; Destruction; Dissolving ex) Lysosome |
| Mal- | Bad; Abnormal ex) Malignant |
| Myc/o- | Fungus ex) Mycetoma |
| Neo- | New ex) Neonate |
| Oxy- | Sharp; Acute; Oxygen ex) Oxytocin |
| Pan-, Pant/o- | All or everywhere ex) Pancytopenia |
| Pharmaco- | Drug; Medicine ex) Pharmacist |
| Re- | Again; Backward ex) Rejuvenation |
| Somat/o-, Somatico- | Body; Bodily ex) Somatic cell |