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Nat. Review chpt. 19
Medical terminology
| Root/prefix/suffix | Meaning | Example |
|---|---|---|
| A-, An- | Without | Anesthesia |
| Ad- | Toward | Adduct |
| Adeno- | Gland | Adenoma |
| -algia | Pain | Myalgia |
| Ambi- | Both | Ambidextrous |
| Angio- | Vessel (blood or lymph) | Angiogram |
| Ante- | Before | Antebrachium |
| Anti- | Against | Antibiotic |
| Arthro- | Joint | Arthritis |
| Bi- | Two | Bilateral |
| Brachio- | Arm | Antebrachium |
| Brady- | Slow | Bradycardia |
| Cardio- | Heart | Cardiac |
| Caud- | Tail | Caudal |
| Cephal- | Head | Cephalad |
| Chondro- | Cartilage | Chondrocyte |
| Cochlea | Shell | Cochlea |
| Con- | Together | Conjoined |
| Contra- | Against, opposite | Contralateral |
| Crypto | Hidden | Cryptorchism (failure of one or both testes to move into the scrotum as the male fetus develops) |
| Cyano- | Blue | Cyanosis |
| Derm- | Skin | Dermatitis |
| Di- | Two | Digastric |
| Dur- | Tough | Dura mater |
| Dys- | Hard, painful | Dysuria |
| Ecto- | Outside | Ectopic pregnancy |
| -ectomy | Surgical removal | Appendectomy |
| Ede- | Swelling | Edema |
| Epi- | Upon | Epidermis |
| Ergo- | Work | Ergograph (instrument for measuring and recording work) |
| Ex-, Exo- | Outside | Excrete, Exocrine |
| For- | Opening | Foramen |
| Gastro- | Belly, stomach | Gastric juice |
| -genic | Produce, create | Pathogenic |
| Glosso- | Tongue | Glossitis |
| Glyco- | Sugar | Glycolysis |
| Hemi- | Half | Hemiplegia |
| Hemo- | Blood | Hemolysis |
| Hepa- | Liver | Hepatitis |
| Histo- | Tissue | Histology |
| Homo- | Same | Homosexual |
| Hydro- | Water | Hydrocephaly |
| -iatric | Specialty | Geriatrics, Pediatrics |
| Ilio(a)- | Ilium | Iliac crest |
| Infra- | Below | Infraspinatus |
| -ism | Condition | Hypothyroidism |
| Iso- | Same | Isometric |
| -itis | Inflammation | Arthritis |
| Kine- | Movement | Kinesiology |
| Labio- | Lips | Labia majora |
| Later- | Side | Lateral |
| Leuko- | White | Leukocyte |
| Lipo- | Fat | Lipolysis |
| Lyso- | Break up | Glycolysis |
| Macro- | Big | Macrophage |
| Mal- | Bad | Malalignment |
| Mater | Mother | Dura mater |
| Medi- | Middle | Medial |
| Mega- | Big | Splenomegaly |
| Multi- | Many | Multiaxial |
| Myo- | Muscle | Myofibril |
| Neo- | New | Neonatal |
| Nephro- | Kidney | Nephritis |
| -ology | Study of | Neurology |
| -oma | Tumor | Neuroma |
| Ora | Mouth | Oral cavity |
| Orchi- | Testes | Orchitis |
| Osteo- | Bone | Osteoma |
| Oto- | Ear | Otoscope |
| Para- | Beside, near | Parasternal |
| Patho- | Disease | Pathology |
| -penia | Lack of | Thrombocytopenia |
| Peri- | Around | Pericardium |
| -plegia | Paralysis | Hemiplegia |
| Pneumo- | Breathing | Pneumothorax |
| Pod-, Ped- | Foot | Podiatrist, Bipedal |
| -poiesis | Formation | Hemopoiesis |
| Poly- | Many, much | Polyuria |
| Pre- | Before | Premature |
| Psycho- | Mind | Psychology |
| Quadri- | Four | Quadriceps |
| Rect- | Straighten | Rectus abdominis |
| Reno- | Kidney | Renal |
| Retro- | Behind | Retroperitoneal |
| Semi- | Half | Semilunar |
| -sis | Process | Stenosis |
| Somato- | Body | Psychosomatic |
| Steno- | Narrowing | Stenosis |
| Sub- | Under | Subdural hematoma |
| Super-, Supra- | Above | Supraspinatus |
| Syn- | Together | Synapse, Synergistic |
| Tachy- | Fast | Tachycardia |
| Thermo- | Heat | Hypothermia |
| Thoraco- | Chest | Thoracic vertebrae |
| Thrombo- | Clot | Thrombocyte |
| Trans- | Across, Over | Transverse |
| Tri- | Three | Triceps |
| -trophy | Growth | Hypertrophy |
| Uni- | One | Unilateral |
| -uria, Uro- | Urine | Dysuria |
| Vaso- | Vessel | Vasoconstriction |
| Viscero- | Organ | Viscerotropic |
| -oid | Look alike | Corocoid |
| Acro- | Above, high level, on top of | Acromion |
| -mion | Shoulder | Acromion |
| Anserine | Duck or goose | Pes anserine |
| Odont- | Tooth | Periodontal |
| -plasm | Growth | Neoplasm |
| -plasis | Formation | Hyperplasia |
| Skleros | Hard | Scleroderma |
| Lupus | Wolf | Lupus erythematosus |