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Root Words
Medical Terminology
| Term | Definition |
|---|---|
| abdmin/o | abdomen |
| aden/o | gland |
| adren/o | adrenal gland |
| angi/o | vessel |
| arteri/o | artery |
| arthr/o | joint |
| atri/o | atruim |
| blephar/o | eyelid, eyelash |
| bronch/o | bronchus |
| cardi/o | heart |
| cephal/o | head |
| cerebell/o | cerebellum |
| cervic/o | neck |
| cheil/o | lip |
| chol/o, chole- | bile |
| cholecyst/o | gallbladder |
| chondr/o | cartilage |
| cili/o | eyelid, eyelash |
| col/o | colon |
| colp/o | vagina |
| cost/o | rib |
| crani/o | cranium, skull |
| cyst/o | bladder |
| cyt/o | cell |
| dactyl/o | digit, toe |
| dent/o | tooth, teeth |
| derm/o, derma | skin |
| duoden/o | duodenum |
| encephal/o | brain |
| enter/o | intestines |
| epididym/o | epididymis |
| epis/o, episi/o | vuvla |
| esophag/o | esophagus |
| faci/o | face |
| fibr/o | fibers |
| gastr/o | stomach |
| gingiv/o | gums |
| gloss/o | tongue |
| gnath/o | jaw |
| hem/o, hemat/o | blood |
| hepa-, hepat/o | liver |
| hist/o | tissue |
| hyster/o | uterus |
| ile/o | ileum (of intestines) |
| ili/o | ilium (of pelvis) |
| jejun/o | jejunum |
| kerat/o | cornea or horny tissue |
| labi/o | lip |
| lapar/o | flank, abdomen |
| laryng/o | larnyx |
| lip/o | fat |
| lymph/o | lymph |
| mast/o, mamm/o | mammary glands |
| mening/o | meninges |
| metr/o | uterus (special reference to inner lining) |
| muscl/o, my/o, myos- | muscle |
| myel/o | bone marrow of spinal cord |
| nephr/o | kidney, nephron |
| nuer/i | nerve |
| occipit/o | back of the head |
| occul/o | eye |
| odont/o | tooth, teeth |
| onych/o | claw, hoof |
| ophthalm/o | eye |
| orchi/o, orchid/o | testes |
| or/o | mouth |
| oster/o, osse/o, oss/i | bone |
| ot/o | ear |
| ovari/o | ovary |
| palat/o | palate |
| perione/o | perionuem |
| pharyng/o | pharnyx |
| phleb/o | vein |
| pil/o | hair |
| pnuem/o | breathing |
| pod/o | foot |
| proct/o | rectum |
| pilm/o, pulmon/o | lung |
| pyel/o | pelvis of kidney |
| rect/o | rectum |
| ren/o | renal (kidney) |
| rhin/o | nose |
| splen/o | spleen |
| spondyl/o | spinal column |
| steth/o | chest |
| stomat/o | mouth |
| tars/o | ankle |
| ten/o, tend/o | tendon |
| thorac/o | thorax |
| thym/o | thymus gland |
| thyr/o, thyroid- | thyroid gland |
| tonsill/o | tonsil |
| trache/o | trachea |
| trich/o | hair |
| tympan/o | tympanum (middle ear), tympanic membrane,eardrum |
| ureter/o | ureter |
| urethr/o | urethra |
| ur/o | urine |
| uter/o | uterus |
| vagin/o | vagina |
| vas/o | vessel, or duct |
| ven/o | vein |
| ventricul/o | ventricle |
| vertebr/o | vertebra |
| vulv/o | vulva |