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Medical Terminology
Medical Terminology Combining Forms Mixed
| Term | Definition |
|---|---|
| caud/o | lower part of body, tail |
| angi/o | blood vessel |
| arteri/o | artery |
| arthr/o | joint |
| blephar/o | eyelid |
| bronch/o | bronchus (air passages of the lungs) |
| cardi/o | heart |
| cephal/o | head |
| cyan/o | blue |
| cyst/o, vesic/o | bladder |
| dermat/o, derm/o, cutane/o | skin |
| encephal/o | brain |
| enter/o | small intestine |
| erythr/o | red |
| gastr/o | stomach |
| gingiv/o | gums |
| gloss/o, lingu/o | tongue |
| hemat/o | blood |
| hepat/o | liver |
| hyster/o | uterus |
| lapar/o | abdomen, abdominal wall |
| laryng/o | larynx (voice box) |
| leuk/o | white |
| mamm/o | breast |
| mast/o | breast |
| ather/o | plaque, fatty substance |
| myel/o | spinal cord, bone marrow |
| my/o, myos/o, muscul/o | muscle |
| oste/o | bone |
| neur/o | nerve |
| melan/o | black |
| poli/o | gray |
| ot/o | ear |
| rhin/o | nose |
| pyel/o | renal pelvis |
| py/o | pus |
| pyr/o | fever, fire |
| aden/o | gland |
| adip/o | fatty tissue, fat |
| anter/o | before, in front |
| cephal/o, cephalad | head, toward the head |
| cyt/o, -cyte (root, suffix) | cell |
| hist/o | tissue |
| path/o, pathy-, -pathia | disease or abnormal condition of |
| plas/i, plas/o, -plasia | development, growth, formation |
| poster/o | behind, toward the back |
| home/o | same, constant, unchanging |
| chondr/i, chondr/o | cartilage |
| abdomin/o, celi/o, lapar/o | abdomen, abdominal cavity |
| embry/o | fertilized ovum, embryo |
| stomat/o, or/o | mouth, oral cavity |
| myc/o | fungus |
| idi/o | unknown, peculiar |
| oss/e, oss/i, oste/o, ost/o | bone |
| ligament/o, syndesm/o | ligament |
| synovi/o, synov/o | synovial membrane, synovial fluid |
| burs/o | bursa |
| ankyl/o | crooked, bent, stiff |
| cost/o | rib |
| crani/o | skull |
| kyph/o | bent, hump |
| lord/o | curve, swayback, bent |
| scoli/o | curved, bent |
| spondyl/o | vertebra |
| ligament/o | ligament, binds bone to bone |
| vascul/o, vas/o | blood vessel |
| por/o | small opening |
| fasci/o | fascia, fibrous band |
| fibr/o | fiber, fibrous tissue |
| kines/o, kinesi/o | movement |
| tax/o | coordination, order |
| ton/o | tension, tone, stretching |
| duct/o | to lead, carry |
| tens/o | to stretch out |
| stern/o | sternum, breastbone |
| cleid/o | clavicle, collar bone |
| carp/o | wrist or wrist bones |
| rhabdomy/o | striated muscle |
| sarc/o | flesh |
| clon/o | violent action |
| condyl/o | condyle; knuckle-like knob; any rounded bone protuberance [which articulates with another bone] |
| quadr/i, quadr/o | four |
| electr/o | electricity |
| aort/o | aorta |
| coron/o | heart |
| thromb/o | clot |
| ven/o | vein |
| vir/o | poison, virus |
| blast/o | immature, embryonic |
| aneurysm/o | aneurysm; dilation of the wall of the heart, artery, or vein |
| appendic/o, append/o | appendix |
| physi/o | nature, physical |
| ventr/o | front, belly side of body |
| dors/o | back, back of body |
| pelv/o | pelvis |
| lumb/o | lower back |
| ili/o | hip bone; ilium |
| periton/o | peritoneum |
| gene/o- | producing |
| carcin/o | cancer |
| path/o | disease, suffering, feeling, emotion |
| dem/i | population |
| tonsill/o | tonsils |
| nat/o | birth |
| lith/o | stone |
| mening/o, meningi/o | meninges [membranes covering brain and spinal cord] |
| tendin/o, tend/o, ten/o | tendon |
| flex | bend |
| isch | to hold back |
| systole | contraction |
| plast | growth or formation |
| chrom/o, chromat/o | color |
| pleb/o | vein |
| lymph/o | lymph, fluid |
| lymphangi/o | lymphatic vessels and ducts |
| lymphaden/o | lymph node |
| adenoid/o | adenoids, lymphoid structure |
| splen/o | spleen |
| lymphocyt/o | lymphocytes, Specialized leukocytes that play important roles in the immune reactions |
| thym/o | thymus gland |
| immun/o | immune, protection, safe |
| ne/o, neo- | new, strange |
| onc/o | tumor |
| phag/o | eat, swallow |
| tox/o | poison |
| cervic/o | neck |
| axill/o | armpit |
| inguin/o | groin |
| phot/o | light |
| Bacilli | Rod-shaped bacteria [singular, bacillus] |
| staphyl/o | grapelike clusters |
| strept/o | twisted chains |
| bacteri/o | bacteria |
| fung/o | fungus, mushroom |
| plast/o | growth, formation |
| ne/o | new |
| tom/o | cut; slice; layer |
| cholecyst/o | gallbladder |
| cirrh/o | orange-yellow |
| duoden/o | duodenum [first part of small intestine] |
| esophag/o | esophagus |
| entr/o | small intestine |
| col/o, colon/o | colon, large intestine |
| ile/o | ileum [intestine] |
| pept/o | digestion |
| proct/o | anus and rectum |
| rect/o | rectum, straight |
| sigmoid/o | sigmoid colon |
| pancreat/o | pancreas |
| an/o | anus, ring |
| chol/e, chol/o | bile, gall |
| or/o, stomat/o, stom/o | mouth, mouthlike opening, oral cavity |
| intestin/o | intestine |
| odonti, odont/o, dent/i, dent/o | teeth |
| metabol/o | change; transformation |
| orth/o | straight |
| cheil/o | lip/lips |
| xer/o | dry |
| halit/o | breath |
| hiat/o | opening |
| aer/o | air |
| hydra/o | water |
| diverticul/o | diverticulum, small sac or pouch |
| intussuscept/o | take up or receive within |
| steat/o | fat |
| cholang/o, cholangi/o | bile duct |
| emet/o | vomit, to vomit |
| palat/o | palate, roof of mouth |
| choledoch/o | common bile duct |
| hemorrhoid/o | hemorrhoid |
| nephr/o, ren/o | kidney |
| ureter/o | ureter [tube from kidney to bladder] |
| urethr/o | urethra [tube leading from the bladder to the outside of the body] |
| prostat/o | prostate |
| glomerul/o | glomerulus, glomeruli [a cluster of capillaries] |
| vagin/o | vagina |
| hydr/o | water |
| noct/o | night |
| meat/o | meatus |
| bacteri/o, bacter/i | bacteria |
| glycos/o | sugar, glucose |
| protein/o | protein |
| acoust/o, acous/o | sound or hearing, ears |
| audi/o, audit/o, aur/i, aur/o | ear, hearing, the sense of hearing |
| conjunctiv/o | conjunctiva |
| corne/o | cornea |
| dipl/o | double |
| ir/i, ir/o, irid/o, irit/o | iris |
| labyrinth/o | labyrinth [inner ear] |
| myring/o, tympan/o | tympanic membrane [eardrum], middle ear |
| ocul/o | eye |
| opt/i, opt/o, optic/o, ophthalm/o | eye, vision |
| phac/o, phak/o, lens/o | lens |
| retin/o | retina |
| dacryocyst/o, lacrim/o | lacrimal apparatus, tear apparatus |
| pinn/i | outer ear |
| kerat/o | horny tissue; hard; cornea |
| presby/o | old age |
| scler/o | sclera, white of eye, hard |
| trop/o | turn, change |
| canth/o | corner of the eye |
| tars | edge of the eyelid |
| emmetr/o | in proper measure |
| orbit/o | eye socket, eyeball, bony socket |
| dacry/o | tear |
| uve/o | uvea; vascular layer of the eye |
| anis/o | unequal |
| cor/o | pupil |
| mydrias/o | dilation of the pupil |
| macul/o | spot |
| mon/o | one, single |
| chromat/o | color |
| nyctal/o | night |
| ametr/o | out of proportion |
| ambly/o | dim, dull |
| nucle/o | nucleus |
| vitr/o | vitreous body [of the eye] |
| cholesteat/o | cholesterol |
| mastoid/o | mastoid process |
| bar/o | pressure |
| staped/o | stapes [third bone of the middle ear] |
| vestibul/o | vestibule [entrance] |
| fenestr/a | window |
| albin/o | white |
| hidr/o | sweat |
| onych/o, ungu/o | fingernail or toenail |
| pil/o, pil/i, trich/o | hair |
| seb/o | sebum [oil] |
| adren/o | adrenal gland |
| crin/o | to secrete |
| gluc/o, glyc/o, glucos/o, glycos/o | sugar, glucose |
| gonad/o | sex glands |
| pituitar/o, pituit/o, hypophys/o | pituitary gland |
| somat/o | body |
| hirsut/o | hairy, rough |
| urtic/o | rash, hives |
| lun/o | moon |
| phor/o | Movement; carry; bear |
| follicul/o | follicle, small sac |
| alopec | baldness |
| koil/o | hollow or concave |
| purpur/o, porphyr/o | purple |
| contus/o, contus | bruise |
| ecchym/o | pouring out of juice or blood |
| prurit/o, psor/I, psor/o | itching |
| erythem/o, erythemat/o, erythr/o | red, flushed |
| ichthy/o, xer/o | dry, scaly |
| lip/o, adip/o | fat, lipid |
| granul/o | granules |
| kel/o | growth, tumor |
| pedicul/o | lice |
| papill/o, thel/e | nipple |
| cry/o | cold |
| rhytid/o | wrinkle |
| testic/, orchid/o, orchi/o | testis |
| ovari/o, oophor/o | ovary |
| parathyroid/o | parathyroid glands |
| pineal/o, pineal | pineal gland |
| thyr/o, thyroid/o, thyroaden/o | thyroid gland |
| acr/o | extremities |
| cortic/o | cortex |
| trop/o | turn, change |
| lact/o, lactin | milk |
| endocrin/o | secrete within |
| calc/o | calcium |
| insulin/o | insulin |
| phe/o | dusky |
| gynec/o, gyn/o | woman, female |
| balan/o | glans penis |
| cervic/o, trachel/o | cervix, neck |
| colp/o, vagin/o | vagina |
| crypt/o | hidden |
| hyster/o, metr/o, metri/o, uter/o, uterine | uterus |
| men/o, menstru/o | menses, menstruation |
| oophor/o, ovari/o | ovaries |
| orchi/o, orch/o, orchid/o, test/o, testicul/o, test/i | testicle |
| pen/i, phall/i | penis |
| spermat/o, sperm/i, sperm/o | spermatozoa, sperm cells |
| salping/o | fallopian tube |
| vas/o | vas deferens, blood vessel |
| placent/o | placenta |
| ov/o | egg, ovum |
| varic/o | varicose veins |
| andr/o | male |
| epididym/o | epididymis [duct atop testes that stores sperm and carries it to the vas deferens] |
| lact/o, galact/o | milk |
| fet/o | fetus, unborn child |
| loch/o | childbirth |
| vulv/o, episi/o | vulva |
| amnio/o, amnion/o | amnion, [innermost layer of the fetal membrane] amniotic fluid |
| pelvi/o | pelvis |
| myom/o | muscle tumor |