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MEDTERM {McGH}
Appendix A: Combining Forms
| Term | Definition |
|---|---|
| abdomin, abdomino | abdomen |
| acanth | thorny or having spines |
| acetabul, acetabulo | acetabulum |
| acromi, acromio | end point of the scapula |
| actin, actino | ray, beam; having raylike structures |
| aden, adeno | gland or glandular |
| adenoid, adenoido | adenoid |
| adipo | fat, fatty |
| adren, adreno, adrenal, adrenalo | adrenal gland |
| aero | air |
| agglutin, agglutino | agglutinin; adhere or combine |
| algesio, algi, alg | pain |
| alveol, alveolo | alveolus; |
| amnio | amnion |
| amylo | starch |
| andr, andro | masculine |
| angi, angio | blood or lymph vessel |
| ankyl, anklyo | bent; crooked |
| anterio | front |
| aort, aorto | aorta |
| arteri, arterio | artery |
| arthr, arthro | joint |
| ather, athero | soft fatty deposit |
| atri, atrio | atrium |
| audio, audito | sound; hearing |
| aur, auro, auricul, auriculo | hearing |
| bacilli | bacilli; bacteria |
| bacteri, bacterio | bacteria |
| balan, balano | glans penis |
| bar, baro | weight, pressure |
| bas, basio | base; foundation |
| bio | life, living |
| blast, blasto | immature cell |
| blephar, blepharo | eyelid |
| brachi, brachio | arm |
| bronch, bronchi, broncho | bronchus, bronchi |
| bronchiol | bronchiole |
| burs, burso | bursa, bursae |
| calcaneo | heel |
| calco, calcio | calcium |
| calic, calico, calio | calyx |
| capno | carbon dioxide |
| carcin, carcino | cancer |
| card, cardi, cardio | heart |
| carp, carpo | wrist |
| cephal, cephalo | head |
| cerebell, cerebello | cerebellum |
| cerebr, cerebro | cerebrum |
| cerumin, cerumino | wax |
| cervic, cervico | neck; cervix |
| cheil, cheilo | lips |
| chemo | chemical |
| chlor, chloro | 1. green; 2. chlorine |
| chol, chole, cholo | bile |
| cholecyst, cholecysto | gallbladder |
| chondr, chondro | cartilage |
| chrom, chromat, chromo | color |
| chron, chrono | time |
| chyl, chylo | chyle |
| chym | chyme, semifluid production of chyme in the stomach |
| cochle, cochleo | cochlea |
| colon, colono | colon |
| colp, colpo | vagina |
| condyl | rounded, knoblike, condyle |
| conio | dust |
| conjunctiv, conjunctivo | conjunctiva |
| cor-, core-, coreo- | pupil |
| corne, corneo | cornea |
| cost, costo | rib |
| crani, cranio | skull; cranium |
| crino | secrete |
| cryo | cold |
| crypt, crypto | hidden or obscure |
| cutaneo | skin |
| cyan | blue |
| cycl, cyclo | circle; cycle; ciliary body |
| cyst, cysto | 1. the bladder; 2. cyst |
| cyt, cyto | a cell |
| dactyl, dactylo | fingers; toes |
| dent, dento | teeth |
| derm, derma, dermo | skin |
| dermat, dermato | skin |
| dextro | right; on the right side |
| dipl, diplo | double, twofold |
| dips, dipso | thirst |
| dors, dorsi, dorso | back |
| duoden, duodeno | duodenum |
| dyna, dynamo | strength or force; energy |
| echo | reflected sound |
| electro | electrical; electricity |
| encephal, encephalo | brain |
| end, endo | within, inner, absorbing, containing |
| enter, entero | intestines |
| eosin, eosino | red; eosinophil |
| epididym, epididymo | epididymis |
| epiglott, epiglotto | epiglottis |
| episi, episio | vulva |
| erythro | red, redness |
| esophag, esophago | esophagus |
| ethm | ethmoid bone |
| eti, etio | cause |
| fasci, fascio | a band of fibrous tissue |
| femor, femoro | relating to the femur or thigh |
| fibr, fibro | fiber |
| fluor, fluoro | 1. fluorine; 2. light; 3. luminous |
| fung, fungi, fungo | Fungus |
| galact, galacto | milk |
| gangli, ganglio | ganglion |
| gastr, gastro | stomach |
| geno | producing; being born |
| gero, geronto | old age |
| gingiv, gingivo | gum |
| gli, glia, glio | neuroglia |
| glomerul, glomerulo | glomerulus |
| gloss, glosso | tongue |
| gluc, gluco | glucose |
| glyc, glyco | sugar, glycogen |
| gonad, gonado | sex glands |
| gonio | angle |
| granul, granulo | granule or granular |
| gyn, gyne, gyneco | women |
| hem, hemo | blood |
| hemangi, hemangio | blood vessel |
| hemat, hemato | blood |
| hepat, hepato | liver |
| hidr, hidro | sweat; sweat glands |
| homeo, homo | like; similar; consistent |
| humer, humero | humerus |
| hydr, hydro | hydrogen, water, liquid |
| hymen, hymeno | membrane |
| hypn, hypno | sleep |
| hyster, hystero | uterus |
| ichthy, ichthyo | dry; scaly; fishy |
| idio | unknown; distinct |
| ile, ileo | ileum |
| ilio | ilium |
| immuno | safe; immune; immunity |
| ir, iro, irid, irido | iris |
| ischi, ischio | ischium |
| jejun, jejuno | Jejunum |
| kerat, kerato | 1. the cornea; 2. horny tissue or cells |
| ket, keto | ketone; acetone or ketone group |
| kin, kine | movement |
| kinesi, kines | movement |
| kyph, kypho | abnormal curvature of the spine; humpback |
| labi, labio | lips |
| lacrim, lacrimo | tears |
| lact, lacti, lacto | milk |
| lamino | lamina |
| laparo | abdomen, abdominal wall |
| laryng, laryngo | the larynx |
| later, latero | to one side; lateral |
| leiomy, leiomyo | smooth muscle |
| leuk, leuko | white |
| lingu, linguo | tongue |
| lip, lipo | fat (outside of a blood vessel) |
| lith, litho | stone, calculus, calcification |
| lob, lobo | lobe of the lung |
| logo | speech; words; thought |
| lumb, lumbo | lumbar |
| lymph, lympho | lymph |
| lymphaden, lymphadeno | lymph node. |
| lymphangi, lymphangio | lymphatic vessels |
| lys, lyso | dissolution; destruction |
| mamm, mamma, mammo | breast |
| mast, masto | breast |
| mastoid, mastoido | mastoid process |
| maxill, maxillo | maxilla; upper jaw |
| meat, meato | meatus |
| medi, medio | middle; central |
| mediastin, mediastino | mediastinum |
| mega, megalo | large; million |
| melan, melano | melanin; black; dark |
| mening, meningi, meningo | meninges; membrane |
| meno | menses; menstruation |
| mes, meso | 1. middle; central; 2. intermediate; in between; 3. mesentery |
| metacarpo | metacarpal |
| mio | smaller; less |
| mon, mono | single; alone |
| morpho | form, shape, or structure |
| muc, muci, muco | mucus; mucous. |
| myc, myco | fungus |
| myel, myelo | 1. bone marrow; 2. the spinal cord and medulla oblongata; 3. the myelin sheath enclosing nerve fibers |
| myo | muscle |
| myocardi, mycardio | myocardium |
| myring, myringo | eardrum; middle ear |
| narc, narco | sleep; numbness or drowsiness |
| nas, naso | nose |
| necr, necro | death; dying |
| nephr, nephro | kidney |
| neur, neuri, neuro | nerve, nervous system |
| noct, nocti, nocto | night |
| norm, normo | normal |
| nucleo | nucleus |
| nyct, nycto | Night |
| ocul, oculo | eye |
| odont, odonto | tooth, teeth |
| onch, oncho, onc, onco | tumor, mass, swelling |
| onych, onycho | nail |
| oo | egg |
| oophor, oophoro | ovary |
| ophthalm, ophthalmo | eye |
| opt, opto, optic, optico | vision |
| or, oro | mouth |
| orch, orchi, orchid, orchido, orchio | testicle |
| orth, ortho | straight, correct |
| ossicul, ossiculo | ossicle |
| ost, oste, osteo | bone |
| ot, oto | ear |
| ov, ovi, ovo | egg |
| ovari, ovario | ovary |
| ox, oxo, oxi, oxy | 1. oxygen; 2. pointed |
| pachy | thick |
| pancreat, pancreato | pancreas |
| parathyroid, parathyroido | parathyroid |
| patell, patello | knee |
| patho | disease |
| ped, pedi, pedo | 1. child; 2. foot or feet |
| pelv, pelvi | pelvis |
| pericardi, pericardio | near the heart; pericardium |
| perine, perineo | perineum |
| phac, phaco | shaped like a lens; birthmark |
| phag, phago | swallowing; eating; devouring |
| phalang, phalango | finger, toe |
| pharmaco | drugs; medicine |
| pharyng, pharyngo | pharynx |
| phleb, phlebo | vein |
| phon, phono | sound, voice |
| phot, photo | Light |
| phren, phreno | diaphragm |
| phys | air, gas, growing |
| physio | physical; natural |
| phyto | plant |
| pilo | hair |
| plasma, plasmo | formative; plasma |
| pleur, pleuro | 1. pleura; 2. rib, side |
| pneum, pneuma, pneumat, pneumato, pneumo | 1. breath; 2. air |
| pneumon, pneumono | breath; lung. |
| pod | foot |
| proct, procto | anus, rectum |
| prostate, prostat, prostato | prostate gland |
| pseud, pseudo | false |
| pub, pubo | pubic, pubis |
| pulmon, pulmono | the lungs |
| pupill, pupillo | pupil |
| py, pyo | plant; pus |
| pyel, pyelo | renal pelvis |
| pylor, pyloro | the pylorus (outlet of the stomach) |
| pyr, pyro | fever |
| rach, rachi, rachio | spine |
| radi, radio | 1. forearm, radius; 2. radiation; 3. x-ray |
| radicul, radiculo | relating to the root, as of a nerve or tooth |
| rect, recto | rectum |
| ren, reni, reno | kidney |
| retin, retino | retina |
| rhabd, rhabdo | rod shaped |
| rhabdomy, rhabdomyo | striated muscle |
| rheumat, rheumato | joint |
| rhin, rhino | the nose, nasal |
| sacr, sacro | sacrum |
| saliv, salivo | salivary glands |
| salping, salpingi, salpingo | tube; salpinx |
| sarc, sarco | flesh |
| scapulo | scapula |
| schisto | split; cleft |
| scler, sclero | 1. hard; 2. sclera; 3. white of the eye |
| scoli, scolio | twisted; bent; crooked |
| scot, scoto | darkness |
| seb, sebo | sebum; sebaceous glands |
| semin, semino | semen |
| sidero | iron |
| sigmoid, sigmoido | sigmoid colon |
| sinistr, sinistro | left |
| sinus, sinuso | sinus |
| socio | social |
| somat, somato | body |
| somno, somni | sleep |
| sono | sound |
| spasmo | spasm; contraction |
| sperm, spermat, spermato, spermo | sperm |
| spher, sphero | round; spherical |
| sphygm, sphygmo | pulse |
| spin, spino | spine, spinous |
| spir, spiro | breath; breathe; breathing, respiration |
| splen, spleno | spleen |
| spondyl, spondylo | vertebra, vertebrae |
| squam | scale; squamous (meaning scaly) |
| staphyl, staphylo | 1. relating to staphylococci; 2. relating to the uvula (of the soft palate of the mouth); 3. grapelike clusters |
| steat, steato | fat |
| steno | narrowness |
| stereo | three-dimensional |
| stern, sterno | sternum |
| steth, stetho | chest |
| stomat, stomato | mouth; stoma |
| strepto | streptococcus; twisted chains |
| synov, synovo | synovial membrane |
| syring | Tube |
| tars, tarso | tarsus |
| tel, tele, telo | 1. distant; 2. end |
| ten, teno, tendino | tendon |
| terat, terato | grossly deformed fetus or part |
| tetr, tetra | four |
| thalam, thalamo | thalamus |
| therm, thermo | heat |
| thorac, thoraco | chest or thorax |
| thromb, thrombo | blood clot |
| thym, thymo | thymus |
| thyr, thyro | thyroid |
| thyroid | thyroid gland |
| tibi, tibio | tibia |
| tono | tone; pressure; tension |
| tonsill, tonsillo | tonsil |
| topo | place; topical |
| tox, toxi, toxic, toxico, toxo | poison; toxin |
| trache, tracheo | trachea |
| trachel, trachelo | neck, usually of the uterus; uterine cervix |
| trich, tricho | hair; thread |
| trigon, trigono | trigone |
| troph-, tropho- | food; nutrition |
| tympan, tympano | middle ear, eardrum |
| ulno | ulna |
| ur, uro | urine; urinary tract; urination |
| ureter, uretero | ureter |
| urethr, urethro | urethra |
| urin, urino | urine |
| utero | uterus |
| uve, uveo | Uvea |
| vag, vago | vagus nerve |
| vagin, vagino | vagina |
| valvul, valvulo | valve |
| vas, vaso | 1. blood vessel; 2. vessel; 3. vas deferens |
| ven, veni, veno | vein |
| ventricul, ventriculo | ventricle |
| vertebr, vertebro | vertebra or vertebrae |
| vesic, vesico | bladder |
| vulv, vulvo | vulva |
| xanth, xantho | yellow |
| xeno | strange; foreign matter |
| xer, xero | dryness |
| xiph, xipho | sword shaped |
| nat | birth |
| karyo | nucleus |