PREFIXES
“Do not wait until the conditions are perfect to begin. Beginning makes the conditions perfect”
PREFIXES
| Prefixes | Meaning | Example |
| A | Without or absence of | Ametria |
| Ab | From; away from | Abduction |
| Ad | To; toward | Adduction |
| An | Without or absence of | Anaerobic |
| Ana | Up; again; backward | Anaphoresis |
| Ante | Before | Anteflexion |
| Anti | Against | Antibacterial |
| Apo | Upon | Aponeurotic |
| Bi | Two | Bimanual |
| Bin | Two | Binary |
| Brady | Slow | Bradycardia |
| Cata | Down | Catabatic |
| Con | Together | Conjugal |
| Contra | Against | Contraceptive |
| De | From; down from; lack of | Debride |
| Dia | Through; complete | Diameter |
| Dis | To undo; fre from | Dislocate |
| Dys | Abnormal | Dysplasia |
| Ecto | outside; outer | Ectocardia |
| Endo | Within | Endosalpinx |
| Epi | On; upon; over | Epithelial |
| Eso | Inward | Esotropia |
| Eu | Normal; good | Eupepsia |
| Ex | Outside; outward | Excrete |
| Exo | Outside; outward | Exophthalmos |
| Extra | Outside of; beyond | Extracarpal |
| Hemi | Half | Hemidiaphragam |
| Hyper | Above; excessive | Hypertension |
| Hypo | Below; incomplete; deficient | Hypoglycemic |
| In | In; into; not | Intubate |
| Infra | Under; below | Infraglottic |
| Inter | Between | Intercartilaginous |
| Intra | Within | Intravenous |
| Mal | Bad | Malabsorption |
| Meso | Middle | Mesocolon |
| Meta | After; beyond; change | Metastic |
| Micro | Small | Micronodular |
| Multi | Many | Multilobar |
| Neo | New | Neonatal |
| Nulli | None | Nulliparous |
| Pan | All; total | Pancytopenia |
| Para | Beside; beyond; around | Paranormal |
| Per | Through | Percutaneous |
| Peri | Surrounding (outer) | Pericardium |
| Poly | Many; much | Polyopia |
| Post | After | Postemryonic |
| Pre | Before; in front of | Preoperative |
| Pro | Before | Prodromal |
| Re | Back | Reflux |
| Retro | Back; behind | Retrograde |
| Semi | Half | Semirecumbent |
| Sub | Under; below | Subcutaneous |
| Super | Over; above | Superimpose |
| Supra | Above | Suprascleral |
| Sym | Together; joined | Symbiotic |
| Syn | Together; joined | Synergetic |
| Tachy | Fast; rapid | Tachycardia |
| Tetra | Four | Tetrameric |
| Trans | Through; across; beyond | Transurethral |
| Tri | Three | Trilocular |
| Ultra | Beyond; excess | Ultrasound |
| Uni | One | Uniseptate |