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Root Words
Medical Terminology Root Words
| Root Word | Root Word Meaning |
|---|---|
| abdomin/o | abdomen |
| acr/o | extremities |
| aden/o | gland |
| adenoid/o | adenoids |
| adip/o | fat |
| aer/o | air |
| alb/o | white |
| albumin/o | albumin |
| amni/o | amnion |
| amyl/o | starch |
| angi/o | vessel |
| ankyl/o | crooked or fused |
| anter/o | anterior/before |
| aort/o | aorta |
| append/o | appendix |
| arteri/o | artery |
| arthr/o | joint |
| articul/o | joint |
| atel/o | imperfect |
| ather/o | yellow |
| aur/o | ear |
| bil/o | bile |
| blast/o | embryonic form |
| blephar/o | eyelid |
| brachi/o | arm |
| brachy | short |
| bronchi/o | windpipe |
| bucc/o | cheek |
| burs/o | bursa |
| calc/i | calcium |
| calcane/o | heel |
| carcin/o | cancer |
| cardi/o | heart |
| carp/o | carpus/wrist |
| caud/o | tail |
| cec/o | cecum |
| cephal/o | head |
| cerebr/o | brain |
| cervic/o | neck |
| chlor/o | green |
| chol/e | bile |
| cholecyst/o | gallbladder |
| chondr/o | cartilage |
| chori/o | fetal covering |
| clavicul/o | clavicle |
| coccyg/o | coccyx |
| col/o | colon |
| colp/o | hollow/vagina |
| cost/o | rib |
| crani/o | cranium/skull |
| cry/o | cold |
| crypt/o | hide conceal |
| cutane/o | skin |
| cyan/o | blue |
| cyst/o | cyst |
| cyt/o (-cyte) | cell |
| dactyl/o | finger |
| dent/i dent/o | teeth |
| derm/a dermat/o | skin |
| dextr/o | right |
| dips/o | thirst |
| disc/o | disc/disk |
| dist/o | far/distant from origin |
| dors/o | directed toward/on the back |
| duoden/o | duodenum |
| ech/o | sound |
| electr/o | electricity |
| encephal/o | brain |
| enter/o | intestine |
| erythr/o | red |
| esophag/o | esophagus |
| esthesi/o | feeling |
| femor/o | femur |
| fet/o | fetus |
| fibr/o | fiber |
| fibul/o | fibula |
| front/o | forehead/front |
| galact/o | milk |
| gastr/o | stomach |
| genit/o | genitals |
| ger/o | old |
| glomerul/o | glomerulus |
| gloss/o | tongue |
| glyc/o | sugar/sweet |
| gnath/o | jaw |
| granul/o | grain/particle |
| gynec/o | female |
| hem/a hem/o hemat/o | blood |
| hepat/o | liver |
| hist/o | tissue |
| hom/o | common/same |
| humer/o | humerus |
| hydr/o | water |
| hyster/o | uterus/womb |
| ile/o | ileum (small intestine) |
| ili/o | ilium (hip bone) |
| immun/o | immune |
| infer/o | lowermost/below |
| intestin/o | intestine |
| irid/o | colored circle/iris |
| isch/o | suppress restrain |
| ischi/o | ischium |
| jejun/o | jejunum |
| labi/o | lip |
| lacrim/o | tear/crying |
| lact/o | milk |
| lapar/o | flank/abdominal wall |
| laryng/o | larynx (voice box) |
| later/o | side |
| leuc/o leuk/o | white |
| lingu/o | tongue |
| lip/o | fat |
| lith/o | stone |
| lob/o | lobe |
| lumb/o | lower back |
| lymph/o | lymph/lymphatics |
| mamm/o mast/o | breast |
| medi/o | middle |
| melan/o | black |
| men/o | month |
| mening/o | membrane |
| metr/i | uterine tissue |
| mon/o | one/only |
| muc/o | mucus |
| muscul/o | muscle |
| my/o | muscle |
| myc/o | fungus |
| myel/o | marrow/spinal cord |
| narc/o | sleep/numbness |
| nas/o | nose |
| ne/o | new |
| necr/o | dead/corpse |
| nephr/o | kidney |
| neur/o | nerves |
| odont/o | teeth |
| odyn/o | pain/distress |
| onc/o | bulk/tumor |
| oophor/o | ovary |
| ophthalm/o | eyelid |
| or/o | mouth |
| orchi/o | testicle |
| orth/o | straight |
| oste/o | bone |
| ot/o | ear |
| pancreat/o | pancreas |
| patell/o | patella - kneecap |
| path/o | disease |
| pelv/i | pelvis |
| periton/o | peritoneum |
| pharmac/o | drugs/medicine |
| pharyng/o | pharynx |
| phleb/o | vein |
| phon/o | sound/voice |
| phot/o | light |
| phren/o | mind/diaphragm |
| pleur/o | pleura |
| poster/o | posterior/toward back |
| pneum/o | air/breathing/lung |
| proct/o | rectum/anus |
| prostat/o | prostate |
| proxim/o | nearest point of origin |
| pseud/o | False |
| psych/o | mind |
| pub/o | pubis |
| pulm/o pulmon/o | lung |
| py/o | pus |
| pyel/o | trough/renal pelvis |
| radi/o | radius/radiant energy |
| rect/o | rectum |
| ren/o | kidneys |
| rhin/o | nose |
| sacr/o | sacrum |
| salping/o | tube |
| scrot/o | scrotum |
| semin/o | semen |
| ser/o | serum |
| somat/o | body |
| son/o | sound |
| spermat/o | seed |
| sphen/o | wedge/sphenoid |
| splen/o | spleen |
| spondyl/o | vertebra |
| stern/o | sternum |
| tars/o | ankle bone (tarsal) |
| tempor/o | temple |
| ten/o | tendon/tight band |
| therm/o | heat |
| thorac/o | chest |
| thromb/o | clot/ thrombus |
| tibi/o | tibia |
| tonsill/o | tonsil |
| tox/o | poison |
| trache/o | trachea (windpipe) |
| uln/o | ulna |
| ur/o | urine |
| ureter/o | ureter |
| urethr/o | urethra |
| uter/o | uterus |
| vag/o | vagus nerve |
| vas/o | vessel/ductus deferens |
| ven/o | vein |
| ventr/o | ventral/ belly side |
| vertebr/o | vertebra |
| vulv/ | o vulva |
| xanth/o | yellow |
Created by:
DebbieSch
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