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Medical Terminology
Common medical suffixes, prefixes, word roots, and pluralizing ending changes
Term | Definition |
---|---|
Dermat/o | Skin |
Cutane/o | Skin |
Nephr/o | Kidney |
Ren/o | Kidney |
Somat/o | Mouth |
Or/o | Mouth |
Esthes/o | Feeling |
Therm/o | Heat |
Muscul/o | Muscles |
Nas/o | Nose |
Ur/o | Urine |
Nat/o | Birth |
Chondr/o | Cartilage |
Arthr/o | Joints |
Erythr/o | Red coloring |
Gastr/o | Stomach |
Hepat/o | Liver |
Immun/o | Immune |
Oste/o | Bones |
Enter/o | Intestines |
-itis | Inflammation |
-megaly | Enlargement |
-oma | Cancer |
Splen/o | Spleen |
Hyster/o | Uterus |
Neur/o | Nerves, nervous system |
Ot/o | Ears |
Hydr/o | Water |
-ectomy | Surgical removal |
-centesis | Puncture |
-lysis | Destruction |
-pexy | Fixation (of an organ) |
-plasty | Repair |
-rrhaphy | Suture |
-stomy | Forming a mouth, opening |
-tomy | Incision |
-tripsy | Crushing (usually of a stone) |
-algia | Pain |
-cele | Hernia, swelling |
-desis | Binding |
-ectasis | Dialation |
-edema | Watery fluid |
-emisis | Vomiting |
-gen, genesis | Forming, producing |
-iasis | Abnormal |
-lith | Stone |
-malacia | Softening |
-pathy | Disease |
-penia | Decrease, deficiency |
-phagia | Swallowing |
-phasia | Speech |
-plasia | Forming, growth |
-plegia | Paralysis |
-sclerosis | Abnormal condition of hardening |
-stenosis | Narrowing |
-toxic | Poison |
-trophy | Development, nourishment |
-logy | The study of |
-ac | Pertaining to |
-al | Pertaining to |
-ary | Pertaining to |
-ic, ical | Pertaining to |
-tic | Pertaining to |
-esis | Condition |
-is | Noun ending |
-ism | Condition |
-iatry | Physician, treatment |
-ist | Specialist |
-ole | Small, minute |
-ule | Small, minute |
-icle | Small, minute |
-gram | Record, writing |
-graph | Instrument for recording |
-graphy | Process of recording |
-meter | Measure |
-metry | Act of measuring |
-scope | Instrument for examining |
-scopy | Visual examination |
-y changes to | -ies |
-us changes to | -i |
-um changes to | -a |
-a changes to | -ae |
-ix changes to | -ices |
-en changes to | -ina |
-ax changes to | -aces |
-is changes to | -es |
-ex changes to | -ices |
-ma changes to | -mata |
-on changes to | -a |
Hemat/o | Blood |
Encephal/o | Brain |
-dynia | Pain |
-clasis | To break; Surgical fracture |
-tome | Instrument to cut |
-phobia | Fear |
-rrhea | Flow, discharge |
-spasm | Involuntary contraction, twitching |
Pre- | Before |
Peri- | Around |
Post- | After |
Endo- | In, within |
Intra- | In, within |
Epi- | Above, upon |
Hypo- | Under, below; Deficient |
Infra- | Under, below |
Sub- | Under, below |
Inter- | Between |
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 |
Quadri- | Four |
Tri- | Three |
Ab- | From, away from |
Ad- | Toward |
Circum- | Around |
Peri- | Around |
Dia- | Through, across |
Trans- | Through, across |
Ecto- | Outside, outward |
Exo- | Outside, outward |
Extra- | Outside, outward |
Para- | Near, beside; Beyond; To bear (offspring) |
Super- | Upper, above |
Supra- | Above; Excessive; Superior |
Ultra- | Excess, beyond |
A-, An- | Without, not |
Anti- | Against |
Contra- | Against |
Auto- | Self, own |
Brady- | Slow |
Dys- | Bad; Painful; Difficult |
Eu- | Good, normal |
Hetero- | Different |
Homo- | Same |
Homeo- | Same |
Postnatal | Pertaining to (the period) after birth |
Prenatal | Pertaining to (the period) before birth |
Polyphobia | Fear of many things |
Antibacterial | Against bacteria |
Bradycardia | Slow heart rate |
Extracranial | Pertaining to outside the skull |
Quadriplegia | Paralysis of all four extremities |
Postoperative | After surgery |
Epigastric | Pertaining to (the area) above the stomach |
Diplopia | Double vision |
Hemiplegia | Paralysis of one half |
Macrocyte | Large cell |
Primigravida | First pregnancy |
Nulligravida | Never been pregnant |
Abduction | Movement of a limb away from (the body) |
Adduction | Movement of a limb toward (the body) |
Adsternal | Near or toward the sternum |
Dyspepsia | Painful indigestion |
Retroperitoneal | Behind the peritoneum |
Hypodermic | Pertaining to under the skin |
Homograft | Same transplantation |
Intercostal | Between the ribs |