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MEDICAL
| Term | Definition |
|---|---|
| ab- | away from |
| ad- | toward or in the direction of |
| dys- | difficulty, bad, painful |
| endo- | within |
| eu- | good, normal |
| hyper- | excessive or increased |
| hypo- | deficient or decreased |
| inter- | between or among |
| intra- | within or inside |
| neo- | new |
| peri- | surrounding |
| post- | after |
| pre- | before |
| sub- | under, less or below |
| super- | above |
| supra- | excessive |
| abdomin/o | abdomen |
| angi/o | blood vessel |
| append/o , appendic/o | appendix |
| arteri/o | artery |
| arthr/o | joint |
| arther/o | fatty substance or plaque |
| cardi/o | heart |
| col/o | colon |
| chondr/o | cartilage |
| crani/o | skull |
| cyan/o | blue |
| enter/o | small intestine |
| erythr/o | red |
| gastr/o | stomach |
| geront/o | old age |
| hepat/o | liver |
| hem/o | blood |
| laryng/o | throat, larynx |
| leuk/o | white |
| melan/o | black |
| my/o | muscle |
| myc/o | fungus |
| myel/o | bone marrow or spinal cord |
| nat/o | birth |
| nephr/o | kidney |
| neur/o | nerve |
| ot/o | ear |
| poli/o | grey |
| py/o | pus |
| pyel/o | renal pelvis |
| pyr/o | fever |
| rhin/o | nose |
| tonsill/o | tonsils |
| -ac , -al | pertaining to |
| -algia | pain |
| -centesis | surgical puncture to remove fluid |
| -cyte | cell |
| -derma | skin |
| -dia | through |
| -dynia | pain |
| -ectomy | surgical removal |
| -graphy | producing a picture or record |
| -gram | a picture or record |
| -ic | pertaining to |
| -itis | inflammation |
| -osis | conditions |
| -malacia | abnormal softening |
| -megaly | enlargement |
| -necrosis | tissue death |
| -ologist | specialist |
| -ology | study of |
| -oma | tumor |
| -ostomy | surgically creating an artificial opening |
| -otomy | cutting into or surgical incision |
| -pathy | disease |
| -plasty | surgical repair |
| -rrhage , -rrhagia | bleeding or excessive flow |
| -rrhexis | rupture |
| -sclerosis | abnormal hardening |
| -scopy | visual examination |
| -stenosis | abnormal narrowing |
| end- | with |
| ex- | out |
| caud/o | tail |
| cephal/o | head |
| cyt/o | cell |
| gen/o or gene | producing |
| hist/o | tissue |
| -crine | secrete |
| -plasm | material of cells |
| -tics | pertaining to |
| arthr/o | joint |
| burs/o | bursa |
| cervic/o | neck |
| chondr/o | cartilage |
| crani/o | head |
| ili/o | ilium or hip |
| hem/o , hemat/o | blood |
| ligament/o | ligament |
| lumb/o | lower back |
| mandibul/o | lower jaw |
| myel/o | bone marrow |
| oste/o | bone |
| pelv/o | pelvis |
| pod/o | feet |
| sacr/o | sacrum |
| scapul/o | scapula (shoulder blade) |
| stern/o | chest |
| synov/o , synovi/o | synovial fluid |
| tars/o | tarsal bones in the feet |
| vertebr/o | vertebra |
| -poietic | pertaining to formation |
| ab- | away from |
| ad- | toward |
| ex- | away from |
| hemi- | half |
| para- | along side of |
| cardi/o | heart |
| dorsi/o , dors/o | back of body |
| duct/o | to lead |
| fasci/o | fascia |
| flex/o | to bend |
| kinesi/o | movement |
| my/o , myos/o , muscul/o | muscle |
| quadr/i | four |
| ten/o , tend/o , tendin/o | tendon |
| tens/o | to stretch out |
| -al | pertaining to |
| -ion | action |
| -paresis | partial or incomplete paralysis |
| -plegia | total paralysis |
| brady- | slow |
| hyper- | excessive, increased |
| hypo- | deficient, decreased |
| tachy- | fast |
| angi/o | blood vessels |
| arteri/o | arteries |
| capill/o | capillaries |
| card/o , cardi/o | heart |
| erythr/o | red |
| leuk/o | white |
| phleb/o | veins |
| thromb/o | clot |
| vas/o , vascul/o | blood vessels |
| ven/o | veins |
| -cytes | cells |
| meta- | beyond |
| neo- | new |
| adenoid/o | adenoids |
| axill/o | armpit |
| cervic/o | neck |
| immun/o | protected |
| inguin/o | groin |
| lymph/o | lymph |
| lymphaden/o | lymph nodes |
| lymphangi/o | lymph vessels |
| lymphocyt/o | lymphocyte |
| onc/o | tumor |
| phag/o | to eat or destroy |
| splen/o | spleen |
| thym/o | thymus |
| tonsill/o | tonsils |
| -ary | pertaining to |
| -lytic | to destroy |
| -plasm | formation |
| -stasis | stopping |
| alveo/o | alveoli |
| bronch/o , bronchi/o | bronchi |
| capn/o | carbon dioxide |
| epiglott/o | epiglottis |
| laryng/o | larynx |
| lob/o | lobe |
| nas/o | nose |
| ox/o , oxy/o | oxygen |
| phon/o | voice or sound |
| pleur/o | pleura |
| pharyng/o | pharynx |
| rhin/o | nose |
| sinus/o | sinuses |
| thorac/o | chest |
| trache/o | trachea |
| -oxia | oxygen |
| -pnea | breathing |
| -thorax | chest |
| -ventilation | breathing |
| an/o | anus |
| append/o , appendic/o | appendix |
| cholecyst/o | gallbladder |
| col/o , colon/o | large intestine (colon) |
| dent/o | teeth |
| duoden/o | duodenum |
| enter/o | small intestine |
| esophag/o | esophagus |
| hepat/o | liver |
| ile/o | ileum |
| intestin/o | intestine |
| jejun/o | jejunum |
| gastr/o | stomach |
| odont/o | teeth |
| or/o | mouth |
| palat/o | palate |
| pancreat/o | pancreas |
| pharyng/o | pharynx |
| proct/o | rectum and anus |
| rect/o | rectum |
| stomat/o | mouth |
| -pepsia | digestion |
| -phagia | swallowing |
| cyst/o | urinary bladder |
| glomerul/o | glomerulus |
| home/o | sameness |
| nephr/o | kidneys |
| pyel/o | renal pelvis |
| ren/o | kidneys |
| ur/o | urine |
| ureter/o | ureters |
| urethr/o | urethra |
| urin/o | urine |
| -lith | stones |
| -lithiasis | presence of stones |
| -stasis | control |
| -uria | urine |
| cerebell/o | cerebellum |
| cerebr/o | cerebrum |
| encephal/o | brain |
| esthesi/o , esthet/o | sensation, feeling |
| lob/o | lobe |
| mening/o | meninges |
| myel/o | spinal cord |
| neur/o | nerves |
| psych/o | mind |
| somn/o | sleep |
| spin/o | spinal cord |
| therm/o | temperature |
| -algia | pain |
| -phasia | speech |
| -sthesia | sensation, feeling |
| -taxia | muscle coordination |
| acous/o , acoust/o | hearing, sound |
| audi/o , audit/o | hearing, sound |
| dacryocyst/o | lacrimal apparatus |
| blephar/o | eyelid |
| conjunctiv/o | conjunctiva |
| ir/i , ir/o , irid/o , irit/o | iris |
| labyrinth/o | labyrinth |
| lacrim/o | lacrimal apparatus |
| myring/o | tympanic membrane |
| ocul/o , ophthalm/o , opt/i , opt/o , optic/o | eye |
| ot/o | hearing, sound |
| phac/o , phak/o | lens |
| pinn/i | pinna |
| retin/o | retina |
| sclera/o | sclera |
| tympan/o | tympanic membrane |
| cutane/o , derm/o , dermat/o | skin |
| diaphor/o | sweat profusely |
| hidr/o | sweat |
| onych/o | nails |
| pil/o , pil/i | hair |
| rhytid/o | wrinkles |
| seb/o | sebaceous glands |
| trich/o | hair |
| ungu/o | nails |
| adren/o | adrenal glands |
| calc/i , calc/o | calcium |
| crin/o | secrete |
| gluc/o , glyc/o , glycos/o | sugar, glucose |
| gonad/o | sex gland |
| kal/i | potassium |
| natr/o | sodium |
| pancreat/o | pancreas |
| parathyroid/o | parathyroid gland |
| pineal/o | pineal gland |
| pituit/o , pituitary/o | pituitary gland |
| thym/o | thymus |
| thry/o , thyroid/o | thyroid gland |
| balan/o | glans penis |
| cervic/o | cervix |
| colp/o | vagina |
| epididym/o | epididymis |
| episi/o | vulva |
| hyster/o | uterus |
| lact/o | milk |
| mamm/o , mast/o | breast |