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Prefixes/Suffixes
Root Words, Suffixes, and Prefixes
| Term | Definition |
|---|---|
| -ac, -al, -ic, -ary, -ar | pertaining to, related to, located in |
| -algia | pain |
| -centesis | surgical puncture to remove fluid |
| -dynia | pain |
| -ectomy | surgical removal |
| -emesis | vomit |
| -emia | blood condition |
| -ia | abnormal state |
| -esis, -ia, -a, -ism, -ity, -y, -osis, -tion, -sis, -iasis, -sia | state or condition, disease |
| -genesis | beginning, origin |
| -gram | record |
| -graph | instrument that records |
| -graphy | process of recording |
| -ician | one who |
| -ictal | seizure, attack |
| -ist, -ologist | a specialist in |
| -ites, -itis | inflammation |
| -logy | science, study of |
| -lysis, -lytic | destroy, dissolution, separation |
| -malacia | softening |
| -megaly | enlargement |
| -oma | tumor |
| -oxia | oxygen |
| -paresis | slight paralysis |
| -pathy | disease |
| -penia | deficient, lack of |
| -plasty | surgical repair |
| -pnea | breathing |
| -rrhage, -rrhagia | excessive flow |
| -rrhaphy | suturing in place |
| -rrhea | flow or discharge |
| -rrhexis | rupture |
| -sarcoma | malignant tumor |
| -sclerosis | hardening |
| -scope | instrument for examining |
| -scopy | visual examination |
| -stenosis | narrowing |
| -stomy | surgical opening |
| -tomy | cutting, incision |
| Adren/o | adrenal glands |
| Appendic/o | appendix |
| Arthr/o | joints |
| Blephar/o | eyelid |
| Bronch/o | bronchial tube, bronchus |
| Bucc/o | cheek |
| Cardi/o | heart |
| Cephal/o | head |
| Chole/o | bile, gall |
| Col/o | colon, large intestine |
| Crani/o | skull |
| Derm/o | skin |
| Enter/o | small intestine |
| Gastr/o | stomach, belly |
| Gingival | gingival tissue, gums |
| Hem/o | blood, relating to the blood |
| Hepat/o | liver |
| My/o | muscle |
| Nephr/o | kidney |
| Neur/o | nerve, nerve tissue |
| Odont/o | tooth |
| Opthalm | eye, vision |
| Oste/o | bone |
| Ot/o | ear, hearing |
| Ped/o | child, foot |
| Proct/o | anus and rectum |
| Pulmon/o | lung |
| Rhin/o | nose |
| Splen/o | spleen |
| Thorac/o | chest |
| a-, an- | without, lacking, deficientab, not |
| ab- | away from |
| ad-, af- | toward, to, near |
| ante- | before, in front of, forward |
| anti-, ant- | against, opposing, preventing |
| brady- | slow |
| contra- | against, opposed |
| dia- | through, between, apart, across |
| dis- | apart, free from |
| dorso- | to the back |
| dys- | difficult, bad, painful, abormal |
| ect-, ecto-, exo- | outside of |
| end-, endo-, ent-, ento- | within, inside |
| ep-, epi- | upon, on, over |
| eu- | normal, good, healthy |
| extra-, extro- | outside of, beyond, outward |
| hemi- | half, partial |
| hyper- | excessive, above, beyond |
| hyp-, hypo- | under, beneath |
| inter- | between |
| intra-, intro- | within, into |
| mal- | bad, abnormal |
| mega-, megalo- | large, big |
| micr-, micro- | small |
| mult-, multi- | many |
| neo- | new, recent |
| oligo- | little, few |
| para- | beside, beyond, after |
| peri- | around, surrounding |
| poly- | many, much, excessive |
| post- | after, behind |
| pre-, pro- | before, in front of |
| pyo- | pus |
| steno- | narrow |
| sub- | under, below, beneath |
| super-, supra- | above, excess, superior |
| tachy- | fast |
| therm- | heat |
| trans- | across, through, beyond |
| cyano- | blue |
| erythro- | red |
| leuko- | white |
| melano- | black |
| nulli- | none |
| mon-, mono- | one |
| bi-, di-, dipl- | two, double, twice |
| tri- | three |