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Medical Term Roots
| Term | Definition |
|---|---|
| Broncho (R) | lower windpipe or bronchus |
| osteo (R) | bone |
| arthro (R) | joint |
| chondro (R) | cartilage |
| myelo (R) | bone marrow or spine |
| myo (R) | muscle |
| tendo (R) | tendon |
| costo (R) | rib |
| derma (R) | skin |
| onycho (R) | nail |
| rhino & naso (R) | nose |
| laryngo (R) | larynx or voice box |
| tracheo (R) | trachea or upper windpipe |
| broncho (R) | bronchus or lower windpipe |
| pulmo and pneumo (R) | lung |
| pneumo (R) | air |
| pneo (R) | breathing |
| lingua and glossa (R) | tongue |
| entero (R) | intestine |
| duodeno (R) | duodenum (or first part of small intestine) |
| jejuno (R) | jejunum (or second part of the small intestine) |
| ileo (R) | ileum (or third part of the small intestine) |
| Procto and ano (R) | rectum or anus |
| hepato (R) | liver |
| cholecysto (R) | gallbladder |
| laparo (R) | abdominal wall |
| angio and vaso (R) | vessel |
| phlebo and veno (R) | vein |
| arterio (R) | artery |
| thrombo (R) | clot of blood |
| cyto (R) | cell |
| lympho (R) | lymph |
| phago (R) | eat |
| arco (R) | extremity |
| adeno (R) | gland |
| neuro (R) | nerve |
| cerebro and encephalo (R) | brain |
| mania (R) | madness |
| nephro and rena (R) | kidney |
| orchio (R) | testes |
| uro and uria (R) | urine |
| Lith (R) | stone |
| hystero and metro (R) | uterus or womb |
| salpingo (R) | tube |
| oto (R) | ear |
| ophthalmo and oculo (R) | eye |
| blepharo (R) | eyelid |
| pyo (R) | pus |
| lipo (R) | fat |
| febri (R) | fever |
| myco (R) | fungus |
| necro (R) | dead |
| retro and post (P) | behind |
| esthesia (P) | feeling |
| anti (P) | against |
| sub and hypo (P) | under |
| inter (P) | between |
| ante or pre (P) | before |
| a or an (P) | absence of |
| multi and poly (P) | many or much |
| hemi and semi (P) | half |
| hypo (P) | too little, or low |
| hyper (P) | above or high |
| emesis (P) (listed in prefix section?) | vomiting |
| oligo (P) | little or scanty |
| leuko (P) | white |
| erythro (P) | red |
| cyano (P) | blue |
| mega (P) | large |
| dextro (P) | to the right |
| medio (P) | middle |
| hydro (P) | water |
| dys (P) | difficulty |
| cele (S) | hernia, protrusion or tumor |
| emia (S) | blood |
| ectasis and ectasia (S) | dilation, dilatation or expansion |
| iasas (S) | condition, formation of, presence of |
| malacia (S) | softening |
| megaly (S) | enlargement |
| sclerosis (S) | hardening |
| oma (S) | tumor |
| osis (S) | condition or disease |
| pathy (S) | disease |
| ptosis (S) | prolapse or downward |
| trophy (S) | growth or nourishment |
| phobia (S) | fear |
| ectomy (S) | removal or excision |
| scopy (S) | inspection or examination |
| stomy (S) | surgical |
| tomy (S) | incision or cutting into |
| plasty (S) | plastic repair |
| centesis (S) | puncture |
| algia (S) | pain |
| genic (S) | producing or originating |
| lysis (S) | destruction or breakdown |
| rrhagia (S) | excessive flow or discharge |
| penia (S) | decrease or deficiency |
| ic, ac, al and ar (S) | pertaining to cardiovascular |
| rrhea (S) | excessive discharge or flow |