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Chapter 2
Word Roots and Combining Forms
| Term | Definition |
|---|---|
| aer | air, gas |
| athero | plaque, fatty substance (inside of blood vessel) |
| blast | immature cells |
| calc, calci | calcium |
| chondrio, chondro | cartilage, grainy, gritty |
| chyl | chyle, a digestive juice |
| chym | chyme, semifluid production of chyme in the stomach |
| cyst, cysti | bladder, cyst, cystic duct |
| cyt | cell |
| ethm | ethmoid bone |
| gluc | glucose |
| glyc | sugars |
| hydr | hydrogen, water |
| ket, keton | ketone, acetone |
| lip | fat (outside of blood vessel) |
| nucle | nucleus |
| plasma, plasmo | formative, plasma |
| salping | tube |
| sider | iron |
| somat | body |
| squam | scale, squamous (meaning scaly) |
| syring | tube |
| algesi, algi, alg | pain |
| cry | cold |
| dips | thirst |
| esthesi | sensation, perception |
| kin, kine | movement |
| kinesi, kenes | motion |
| phon | sound, voice, speech |
| phot | light |
| son | sound |
| therm | heat |
| acanth | spiny, thorny |
| andro | masculine |
| chlor | chlorine, green |
| chrom, chromat | color |
| crypt | hidden, obscure |
| cyan | blue |
| eosin | red |
| erythr | red, redness |
| granul | granular |
| gyn, gyne, gynec | women |
| home, hom | same, constant |
| ichthy | dry, scaly, fishy |
| idi | distinct, unknown |
| immun | safe, immune |
| leuk | white |
| macro | large, long |
| meg, megal | large, million |
| melan | black, dark |
| micr | small, tiny |
| mio | smaller, less |
| morph | structure, shape |
| norm | normal |
| physi | physical, natural |
| pseud | false |
| scler | hardness, hardening |
| scolio | crooked, bent |
| spher | round, spherical |
| staphyl | grapelike clusters |
| sten | narrowness |
| Strept | twisted chains, streptococci |
| terat | monster (as a malformed fetus) |
| xanth | yellow |
| bacill | bacilli, bacteria |
| bacteri | bacteria |
| carcin | cancer |
| kyph | humpback |
| onch, onc | tumor |
| pachy | thick |
| path | disease |
| pyr | fever, fire, heat |
| schist | split |
| schiz | split, division |
| spasm | spasm |
| anteri | front |
| dextr | right, toward the right |
| dors | back |
| gonio | angle |
| later | lateral, to one side |
| medi | middle, medial plane |
| mes | middle, median |
| orth | straight, normal |
| top | place, topical |
| crin | secrete |
| gen | producing, being born |
| hypn | sleep |
| log | speech, words, thought |
| narc | sleep, numbness |
| phago | eating, devouring, swallowing |
| somn, somni | sleep |
| spir | breath, breathe |
| actin | light |
| amyl | starch |
| bar | weight, pressure |
| bas, basi | base |
| bio | life |
| chem | chemical |
| chrono | time |
| coni | dust |
| cycl | circle, cycle |
| dyna, dynam | force, energy |
| echo | reflected sound |
| electro | electricity |
| eti | cause |
| fibr | fiber |
| fluor | light, luminous, fluorine |
| fungi | fungus |
| galact | milk |
| ger, geront | old age |
| lact, lacti | milk |
| lith | stone |
| lys | dissolution, destruction |
| necr | death, dying |
| noct | night |
| nyct | night |
| pharmaco | drugs, medicine |
| phyt | plant |
| py | pus |
| radio | radiation, x-ray, radius |
| stere | three-dementional |
| tel, tele | distant, end, complete |
| ton | tension, pressure |
| toxi, toxic, tox | poison, toxin |
| throph | food, nutrition |