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Prefixes & Suffixes
Medical Terminology
| Term | Definition |
|---|---|
| -a | noun suffix, no meaning |
| -ac | pertaining to |
| -ad | toward |
| -al, -ic, -ous | pertaining to |
| -algia | pain |
| -amnios | ammion, amniotic fluid |
| -apheresis | removal |
| -ar, -ary, -eal | pertaining to |
| -atresia | Absence of a normal body opening; occlusion; closure. |
| -cele | hernia or protrusion |
| -centesis | surgical puncture to aspirate fluid (with a sterile needle) |
| -cyesis | pregnancy |
| -cyte | cell |
| -e, -is, -um, -us | noun suffix, no meaning |
| -ectasis | stretching out, dilation, expansion |
| -ectomy | excision or surgical removal |
| -emia | blood condition |
| -gen | substance or agent that produces or causes |
| -genesis | origin, cause |
| -genic | producing, originating, causing |
| -gram | record, x-ray film |
| -gram | record, radiographic image |
| -graph | instrument used to record; record |
| -graphy | process of recording, x-ray filming |
| -ia | diseased or abnormal state, condition of |
| -ial | pertaining to |
| -iasis, -esis | condition |
| -ior | pertaining to |
| -itis | inflammation |
| -logist | one who studies and treats (specialist physician) |
| -logy | study of |
| -lysis | loosening, dissolution, separating |
| -malacia | softening |
| -megaly | enlargement |
| -meter | instrument used to measure |
| -metry | measurement |
| -odynia | pain |
| -oma | tumor, swelling |
| -opsy | view of, viewing |
| -oxia | oxygen |
| -partum | childbirth, labor |
| -pathy | disease |
| -penia | abnormal reduction in number |
| -pexy | surgical fixation, suspension |
| -phagia | eating or swallowing |
| -phonia | sound or voice |
| -placia | condition of formation, development, growth |
| -plasty | surgical repair |
| -pnea | breathing |
| -poiesis | formation |
| -ptosis | drooping, sagging, prolapse |
| -rrhagia | rapid flow of blood |
| -rrhaphy | suturing, repairing |
| -rrhea | flow, discharge |
| -rrhexis | rupture |
| -salpinx | Fallopian tube |
| -sclerosis | hardening |
| -scope | instrument used for visual examination |
| -scopic | pertaining to visual examination |
| -scopy | visual examination |
| -spasm | sudden, involuntary muscle contraction (spasmodic contraction) |
| -stenosis | constriction or narrowing |
| -stomy | creation of an artificial opening |
| -thorax | chest |
| -tocia | birth, labor |
| -tome | instrument used to cut |
| -tomy | cut into or incision |
| -tripsy | surgical crushing |
| -trophy | nourishment, development |
| -uria | urine, urination |
| a-, an- | without or absence of |
| ante-, pre- | before |
| bi- | two |
| brady- | slow |
| dia- | through, complete |
| dys- | painful, abnormal, difficult, labored |
| endo- | within |
| epi- | on, upon, over |
| eu- | normal, good |
| hyper- | above, excessive |
| hypo- | below, incomplete, deficient |
| intra- | within |
| meta- | after, beyond, change |
| micro- | small |
| multi- | many |
| neo- | new |
| nulli- | none |
| pan- | all, total |
| para- | beside, beyond, around, abnormal |
| per- | through |
| poly- | many, much |
| post- | after |
| pro- | before |
| sub- | under, below |
| tachy- | fast, rapid |
| trans- | through, across, beyond |
| uni- | one |