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Roots
Medical Terminology
| Term | Definition |
|---|---|
| angi/o | blood vessel |
| arthro | joint |
| cardi/o | heart |
| derm/o | skin |
| enter/o | small intestine |
| gastr/o | stomach |
| gen/o | generation, cause |
| hem/o | blood |
| hepat/o | liver |
| hydr/o | water |
| morph/o | change |
| muscul/o | muscle |
| myc/o | fungus |
| necr/o | death |
| neur/o | nerve |
| orth/o | straight |
| path/o | suffering, disease |
| phag/o | eat |
| plas/o | formation |
| pneum/o | lung |
| troph/o | nourishment, development |
| vas/o, vascul/o | blood vessel |
| xen/o | foreign |
| adip/o | fat |
| alb/o | white |
| erythr/o | red |
| hidr/o | sweat |
| kerat/o | hard, horny |
| leuk/o | white |
| melon/o | black |
| onych/o | nail |
| pil/o | hair |
| xanth/o | yellow |
| xer/o | dry |
| burs/o | bursa |
| carp/o | wrist |
| cervic/o | neck |
| chondr/o | cartilage |
| cost/o | rib |
| dactyl/o | finger |
| femor/o | femur |
| kinesi/o | movement, motion |
| lumb/o | loin, lower back |
| oste/o | bone |
| spondyl/o | vertebra |
| tax/o | arrangement, order, coordination |
| ten/o | tendon |
| tibi/o | tibia |
| ton/o | tone, tension |
| cephal/o | head |
| cerebell/o | cerebellum |
| cerebr/o | brain |
| crani/o | head, skull |
| dur/o | tough outer membrane surrounding the brain and spinal cord |
| encephal/o | brain |
| esthesi/o | feeling, sensation |
| gnosi/o | know |
| mening/o | meninges; membrane surrounding the brain and spinal cord |
| myel/o | spinal cord, bone marrow |
| phas/o | speech |
| phren/o | mind |
| dermat/o | skin |
| cutane/o | skin |
| meningi/o | meninges; membrane surrounding the brain and spinal cord |
| psyc/o | mind |
| tend/o | tendon |
| tendin/o | tendon |
| trich/o | hair |
| lip/o | fat |
| steat/o | fat |
| ungu/o | nail |
| pneumon/o | lung |
| pulmon/o | lung |
| my/o | muscle |
| hemat/o | blood |
| acous/o | sound |
| audi/o | sound |
| aur/o | ear |
| blephar/o | eyelid |
| cerumi/o | ear wax |
| conjunctive/o | conjunctiva |
| corn/o | cornea |
| dacry/o | tear |
| ir/o | iris |
| irid/o | iris |
| kerat/o | cornea |
| lacrim/o | tear |
| myring/o | eardrum |
| ocul/o | eye |
| ophthalm/o | eye |
| opt/o | eye |
| ot/o | ear |
| phac/o | lens |
| phak/o | lens |
| retin/o | retina |
| slaping/o | eustachian tube |
| scler/o | sclera (the white of the eye) |
| tympan/o | eardrum |
| aden/o | gland |
| adren/o, adrenal/o | adrenal gland |
| crin/o | secrete |
| gluc/o, glucos/o, glyc/o | sugar |
| hypophysc/o | pituitary gland |
| pancreat/o | pancreas |
| pituitar/o | pituitary gland |
| thym/o | thymus |
| thyr/o, thyroid/o | thyroid |
| cyt/o | cell |
| lymph/o | lymph |
| phleb/o | vein |
| splen/o | spleen |
| thromb/o | clot |
| tonsill/o | tonsill |
| ven/o | vein |
| apheresis | separation |
| thrombus | blood clot |
| embol | embolus |
| poisis | formation |
| nephr | kidney |
| gonado | gonad |
| dips | thirst |
| goiter | swollen thyroid gland |
| edema | swelling |
| acro | extremities |
| miot | constriction |
| thym/o | thymus |
| angio | vessel |
| aort/o | aorta |
| arteri/o | artery |
| ather/o | fatty plaque |
| atri/o | atrium (upper chamber) |
| cardi/o | heart |
| coron/o | heart |
| phleb/o | vein |
| sept/o | septum (plural septa) |
| valvul/o | valve |
| vas/o | vessel |
| vascul/o | vessel |
| ventricul/o | ventricle (lower chamber) |
| adenoid/o | adenoid |
| bronch/o | bronchus |
| bronchi/o | bronchiole |
| capn/o | carbon dioxide |
| carb/o | carbon dioxide |
| laryng/o | larynx (voice box) |
| lob/o | lobe |
| nos/o | nose |
| ox/o | oxygen |
| palat/o | palate |
| pector/o | chest |
| pharyng/o | pharynx (throat) |
| phren/o | diaphragm |
| pleur/o | pleura |
| pneum/o, pneumat/o,, pneumon/o | air or lungs |
| pulmon/o | lungs |
| rhin/o | nose |
| sept/o | septum |
| sin/o, sinus/o | sinus |
| spir/o | breathing |
| thorac/o | chest |
| tonsill/o | tonsil |
| trache/o | trachea (windpipe) |
| abdomin/o | abdomen |
| an/o | anus |
| bil/o | bile (gall) |
| celi/o | abdomen |
| chol/e | bile (gall) |
| col/o | colon (large intestine) |
| colon/o | colon (large intestine) |
| cyst/o | bladder |
| dent/o | tooth |
| doch/o | duct |
| duoden/o | duodenum |
| enter/o | intestines |
| esophag/o | esophagus |
| gastr/o | stomach |
| gingiv/o | gum |
| gloss/o | tongue |
| hepatic/o | liver |
| ile/o | ileum |
| jejun/o | jejunum |
| lapar/o | abdomen |
| lingu/o | tongue |
| odent/o | tooth |
| or/o | mouth |
| pancreat/o | pancreas |
| peritone/o | peritoneum |
| proct/o | anus and rectum |
| rect/o | rectum |
| sial/o | saliva |
| sigmoid/o | sigmoid colon |
| stomat/o | mouth |
| balan/o | penis |
| epididym/o | epididymis |
| glomerul/o | glomerulus |
| lith/o | stone |
| nephr/o | kidney |
| orch/o, orchi/o, orchid/o | testicle |
| prostat/o | prostate |
| pyel/o | renal pelvis |
| ren/o | kidney |
| sperm/o, spermat/o | sperm |
| test/o | testicle |
| ur/o, urin/o | urine |
| urethr/o | urethra |
| ureter/o | ureter |
| vesic/o | bladder |
| amni/o | amnion |
| cervic/o | cervix |
| chori/o | chorion |
| chorion/o | chorion |
| colp/o | vagina |
| episi/o | vulva |
| fet/o | fetus |
| gyn/o | woman |
| gynec/o | woman |
| hyster/o | uterus |
| lact/o | milk |
| mamm/o | breast |
| mast/o | breast |
| men/o | menstruation |
| metr/o | uterus |
| nat/o | birth |
| pelv/i | pelvis |
| perine/o | perineum |
| salping/o | fallopian tube |
| toc/o | labor |
| uter/o | uterus |
| vagin/o | vagina |
| vulv/o | vulva |