Medical Terminology Word Roots Prefixes Suffixes WORD ROOTS (a-c) aden: angio: arterio: arthro: carcin: cardio: cephal: cerebro: gland blood vessel artery joint cancer heart head brain chem: chole: colo: costo: cranio: cyan: cysto: cyte: drug gall, bile colon ribs skull blue bladder, sac cell WORD ROOTS (d-m) derma: skin entero: intestine epidemi: among the people erythro: red gastro: stomach gingiva: gum gloss: tongue glyco: sugar hepat: liver hemo: blood hydro: water hystero: uterus leuko: white lingua: tongue mamm, mast: breast myelo: bone marrow myo: muscle WORD ROOTS (n-t) last group nephro, ren: neuro: ocul,opthal: oophor: odont, dent: osteo: oto: kidney nerve eye ovary tooth bone ear ped,pod: foot phelb: vein pneumo, pulm: lung psych: mind, soul rhin: nose salpingo: tube thorac: thorax, chest trach: trachea PREFIXES (a-e) a,an: ab: ad: ante: anti: aut: bi: brady: without away from toward before against self both, two slow circum: round contra: against di: two diplo: double dys: painful, difficult ecto: outside endo, intra: inside epi: upper, above PREFIXES (h-o) hemi: half hyper: excessive, above, more than hypo: deficient, below, less than inter: between later: side lipo: fat mal: bad, difficult mega/macro: large micro: small mono, uni: one, single neo: new ortho: straight PREFIXES (p-u) last group peri: around poly: many, much post: behind, after pre: before, in front of pro: forward pseudo: false retro: backward, behind semi: sub: tachy: tele: trans: ultra: half below fast distant, far across beyond, excess SUFFIXES (a-g) a, ac, al: alagia: ase: centre: cide: cente: dipsia: pertaining to pain enzyme puncture causing death puncture thirst ectomy: surgical removal emesis: vomit emia: blood esthesia: sensation genesis, genic: orgin, source gram, graph: pictures, record SUFFIXES (i-o) ia: a disease iasis: abnormal condition ism: state of itis: inflammation lysis: destruction malacia: softening megaly: enlarged oid: like, similar ologist: specialist ology: study of oma: tumor orrhagia: hemorrhage orrhea: flow osis: condition of ostomy: surgical opening SUFFIXES (p-u) last group pathy: disease penia: deficiency phobia: fear plasty: surgical repair plegia: stroke, paralysis pnea: breathing ptosis: drooping down sclerosis: hardening scope: picture, inspection stasis: stoppage toxic: poisonous trophy: development, growth uria: urine