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Medical Terminology
Chpt 1: Word Roots / Combining Forms
| Term | Definition |
|---|---|
| actin (o) | light |
| amyl (o) | starch |
| andro | masculine |
| athero | palque; fatty substance |
| bacill (i) | bacteria |
| bacteri (o) | bacteria |
| bar (o) | weight; pressure |
| bas (o) | base |
| basi (o) | base |
| bio | life |
| blasto | immature cells |
| cac (o) | bad; ill |
| calc (o) | calcium |
| calci (o) | calcium |
| carcin (o) | cancer |
| chem (o) | chemical |
| chlor (o) | chlorine; green |
| chondrio | cartilage, grainy, grity |
| chondro | cartilage, grainy, grity |
| chore (o) | dance |
| chrom | color |
| chromat | color |
| chromo | color |
| chrono | time |
| chyl (o) | chyle, a digestive juice |
| chym (o) | chyme, semi production fluid of chyme in the stomach |
| cine (o) | movement |
| coni (o) | dust |
| crin (o) | secrete |
| cry (o) | cold |
| crypt (o) | hidden; obscure |
| cyan (o) | blue |
| cycl (o) | circle; cycle |
| cyst (o) | bladder, cyst, cyst duct |
| cysti | bladder, cyst, cyst duct |
| cyt (o) | cell |
| dextr (o) | toward the right |
| dips (o) | thirst |
| dors (o) | back |
| dorsi | back |
| dynamo | energy; force |
| echo | reflected sound |
| electr (o) | electricity; electric |
| eosin (o) | red |
| ergo | work |
| erythr (o) | red |
| esthesio | sensation, perception |
| ethmo | ethmoid bone |
| etio | cause |
| fibr (o) | fiber |
| fluor (o) | light; luminous |
| fungi | fungus |
| galact (o) | milk |
| gen (o) | producing; being born |
| gero | old age |
| geront (o) | old age |
| gluco | glucose |
| glyco | sugars |
| gonio | angle |
| granulo | granular |
| gyn (o) | women |
| gyne | women |
| gyneco | women |
| home (o) | same; constant |
| homo | same; constant |
| hydr (o) | water |
| hypn (o) | sleep |
| iatr (o) | physician; treatment |
| ichthy (o) | dry; scaly; fish |
| idio | distinct; unknown |
| immun (o) | safe; immune |
| kal (i) | potassium |
| karyo | nucleus |
| ket (o) | keytone; acetone |
| keyton (o) | keytone; acetone |
| kin (o) | movement |
| kine | movement |
| kinesi (o) | motion |
| kineso | motion |
| kyph (o) | humpback |
| lact (o) | milk |
| lacti | milk |
| latero | lateral, to one side |
| lepto | light, frail, thin |
| leuk (o) | white |
| lip (o) | fat |
| lith (o) | stone |
| log (o) | speech, words, thought |
| lys (o) | dissolution |
| macr (o) | large; long |
| medi (o) | middle; medial plane |
| meg (a), megal (o) | large; million |
| melan (o) | black; dark |
| mes (o) | middle; median |
| micr (o) | small; tiny |
| mio | smaller; less |
| morph (o) | structure; shape |
| narco | sleep; numbness |
| necr (o) | death; dying |
| noct (i) | night |
| oncho | tumor |
| onco | tumor |
| orth (o) | straight; normal |
| oxy | sharp; acute; oxygen |
| pachy | thick |
| path (o) | disease |
| phago | eating; devouring; swallowing |
| pharmaco | drugs |
| phon (o) | sound; voice; speech |
| phot (o) | light |
| physi, physio | physical; natural |
| physo | air; gas; growing |
| phyt (o) | plant |
| plasma, plasmo | formative; plasma |
| poikilo | varied; irregular |
| pseud (o) | false |
| pyo | pus |
| pyreto | fever |
| pyro | fever; fire; heat |
| radio | radiation; x-ray; radius |
| salping (o) | tube |
| schisto | split |
| schiz (o) | split; division |
| scler (o) | hardness; hardening |
| scolio | bent; crooked |
| scoto | darkness |
| sidero | iron |
| sito | food; grain |
| somat (o) | body |
| somn (o), somni | sleep |
| sono | sound |
| spasmo | spasm |
| spher (o) | round; spherical |
| spir (o) | breath; breathe |
| squamo | scale |
| staphyl (o) | grape like clusters |
| steno | narrowness |
| stere (o) | three-dimensional |
| strepto | twisted chains |
| styl (o) | peg-shaped |
| syring (o) | tube |
| tel (o), tele (o) | distant; end; complete |
| terato | monster (malformed fetus) |
| therm (o) | heat |
| tono | tension; pressure |
| top (o) | place; topical |
| tox (i), toxico, toxo | poison; toxin |
| tropho | food; nutrition |
| vivi | life |
| xanth (o) | yellow |
| xeno | stranger |
| xer (o) | dry |
| xiph (o) | sword; xiphoid |
| zo (o) | life |
| zym (o) | fermentation; enzyme |