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Medical Terminology
Prefixes and Suffixes
| Term | Definition |
|---|---|
| -centesis | surgical puncture |
| -clasis | to break; surgical fracture |
| -desis | binding, fixation (of a bone or joint) |
| -ectomy | excision, removal |
| -lysis | separation; destruction; loosening |
| -pexy | fixation (of an organ) |
| -plasty | surgical repair |
| -rrhaphy | suture |
| -stomy | forming an opening (mouth) |
| -tome | instrument to cut |
| -tomy | incision |
| -tripsy | crushing |
| -gram | record, writing |
| -graph | instrument for recording |
| -graphy | process of recording |
| -meter | instrument for measuring |
| -metry | act of measuring |
| -scope | instrument for examinig |
| -scopy | visual examination |
| -algia | pain |
| -dynia | pain |
| -cele | hernia, swelling |
| -ectasis | dilation, expansion |
| -edema | swelling |
| -emesis | vomiting |
| -ernia | blood condition |
| -gen | forming, producing, origin |
| -genesis | forming, producing, origin |
| -iasis | abnormal condition (by something specified) |
| -itis | inflammation |
| -lith | stone, calculus |
| -malacia | softening |
| -megaly | enlargement |
| -oma | tumor |
| -osis | abnormal condition ; increase |
| -pathy | disease |
| -penia | decrease, deficiency |
| -phagia | eating, swallowing |
| -phasia | speech |
| -phobia | fear |
| -plasia | formation, growth |
| -plasm | formation, growth |
| -plegia | paralysis |
| -ptosis | prolapse,downward displacement |
| -rrhage | bursting forth (of) |
| -rrhagia | bursting forth (of) |
| -rrhea | discharge, flow |
| -rrhexis | rupture |
| -sclerosis | abnormal condition of hardening |
| -spasm | involuntary contraction, twitching |
| -stenosis | narrowing, stricture |
| -toxic | poison |
| -trophy | nourishment, development |
| -ac | pertaining to |
| -al | pertaining to |
| -ar | pertaining to |
| -ary | pertaining to |
| -eal | pertaining to |
| -ic | pertaining to |
| -ical | pertaining to |
| -ile | pertaining to |
| -ior | pertaining to |
| -ous | pertaining to |
| -tic | pertaining to |
| -esis | condition |
| -ia | condition |
| -ism | condition |
| -iatry | medicine; treatment |
| -ician | specialist |
| -ist | specialist |
| -y | condition; process |
| -icle | small, minute |
| -ole | small, minute |
| -ule | small, minute |
| epi- | above, upon |
| hypo- | under, below, deficient |
| infra- | under, below |
| sub- | under, below |
| inter- | between |
| post- | after, behind |
| pre- | before, in front of |
| pro- | before, in front of |
| retro- | backward, behind |
| bi- | two |
| dipl- | double |
| diplo- | double |
| hemi- | one half |
| hyper- | excessive, above normal |
| macro- | large |
| micro- | small |
| mono- | one |
| uni- | one |
| multi- | many, much |
| poly- | many, much |
| nulli- | none |
| primi- | first |
| quadri- | four |
| tri | three |
| ab- | from, away from |
| ad- | toward |
| circum- | around |
| peri- | around |
| dia- | through |
| trans- | through |
| ecto- | outside, outward |
| exo- | outside, outward |
| extra- | outside, outward |
| endo- | in, within |
| intra- | in, within |
| para- | near, beside; beyond |
| super- | upper, above |
| supra- | above; excessive; superior |
| ultra- | excess, beyond |
| a- | without, not |
| an- | without, not |
| anti- | against |
| contra- | against |
| brady- | slow |
| dys- | bad; painful; difficult |
| eu- | good, normal |
| hetero- | different |
| homo- | same |
| homeo- | same |
| mal- | bad |
| pan- | all |
| pseudo- | false |
| syn- | union, together, joined |
| tachy- | rapid |