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Prefixes / Suffixes
prefixes/suffixes for medical terminology
| Prefix | Meaning |
|---|---|
| ab | away from |
| ad | to;toward |
| ante | before |
| astr | star |
| auto | self |
| brady | slow |
| ect | outside;outer |
| en | within;in |
| endo | within;inner |
| epi | above;upon |
| ex | out;outer |
| hemi | half |
| infra | below;inferior |
| inter | between;among |
| intra | within |
| iso | same;equal |
| macro | large |
| meta | change;after;beyond |
| micro | small |
| multi | many |
| neo | new |
| pan | all |
| para | near;beside |
| peri | around;surrounding |
| poly | many |
| post | after |
| pre | before |
| retro | behind;backwards |
| semi | half |
| sub | below;under |
| super | above;over;excess |
| supra | above;on top of |
| sym | with;association |
| syn | together;with;union |
| tachy | fast |
| a;an;ana | no;not;without |
| anti | against |
| contra | against;opposite |
| non | not |
| bi | 2 |
| centi | 100 |
| dec | 10 |
| milli | 1000 |
| quadr | 4 |
| tri | 3 |
| uni | 1 |
| carcin | cancerous |
| dys | painful;difficult |
| hyper | above;excessive |
| hypo | deficient;below |
| mal | bad;poor;abnormal |
| -ac;al;ary | pertaining to |
| -crine | to secrete |
| -crit | to separate |
| -cyte | cell |
| -gen;gensis;genic | producing;forming |
| -globin;globulin | protein |
| -gram | record;picture |
| -graph | instrument for recording |
| -graphy | process of recording |
| -iac;ic | pertaining to |
| -oid | like;resembling |
| -ologist | specialist |
| -ology | the study of |
| -ous | pertaining to |
| -pepsia | digestion |
| -phagia | eating;swallowing |
| -phonia | voice;sound |
| -phoresis | carrying;transmission |
| -phoria | feeling;mental state |
| -pnea | breathing |
| -poiesis | formation |
| -scope | instrument of viewing |
| -scopy | process of viewing |
| -somnia | sleep |
| -stasis | control;stop |
| -therapy | treatment |
| -thorax | check;pleural cavity |
| -tocia | labor;birth |
| -tresia | opening |
| -trophy | growth;developement |
| -tropin | nourish;develope;stimulate |
| -version | to turn |
| -algia | pain |
| -cele | hernia;herniation |
| -cytosis | condition of cells |
| -dynia | pain |
| -emesis | vomiting |
| -emia | blood condition |
| -ia;iasis | abnormal condition |
| -itis | inflammation |
| -lysis;lytic | breakdown;destruction |
| -malacia | softening |
| -megaly | enlargement |
| -oma | tumor |
| -osis | abnormal condition |
| -paresis | slight paralysis |
| -pathy | disease |
| -penia | decreased number |
| -phobia | abnormal fear |
| -plegia | paralysis |
| -ptosis | drooping;sagging;prolapse |
| -ptysis | spitting up |
| -rrhage;rrhagia | bursting forth of blood |
| -rrhea | flow;discharge |
| -rrhexis | rupture |
| -sclerosis | hardening |
| -spasm | contraction;twitching |
| -stenosis | narrowing;tightening |
| -centesis | surgical puncture |
| -desis | binding together |
| -ectasia;ectasis | stretching;dilation |
| -ectomy | surgical removal;excision |
| -ostomy | create a new opening |
| -otomy | incision into |
| -pexy | surgical fixation |
| -plasty | surgical repair |
| -rrhaphy | suture |
| -tripsy | crushing;friction |
| ect | outside ; out |
| en ; eso | in ; inward |
| ex | out, outward |
| presby | aging ; old |
| -metry | to measure |
| -opia | vision |
| -tropia ; tropion | to turn; turning |