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Medical TERMINOLOGY   -   A thru Z

Prefixes, roots, suffixes  [ E ]

Prefix: A prefix is placed at the beginning of a word to modify or change its meaning. Pre means "before." Prefixes may also indicate a location, number, or time. 
Root
: central part of a word.     
Suffix
:  The ending part of a word that modifies the meaning of the word. Example: homeless. Root = 'home' and the suffix is 'less'. It can also refer to a condition, disease, disorder, or procedure.    

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Also check out the medical abbreviations section
 

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Term
[ Meaning ]
-eal [ pertaining to ]
ec- [ out; outside  ]
echin/o [ spiny, prickly  ]
echo- [ reflected sound  ]
-ectasia [ dilation; dilatation; widening  ]
-ectasis [ dilation; dilatation; widening  ]
ecto- [ out; outside  ]
ectro/o [ congenital absence  ]
-ectomy [ removal; excision; resection  ]
-edema [ swelling ]
eight [ octa-, octi-  ]
-elasma [ flat plate  ]
electr/o [ electricity ]
ele/o [ oil ]
em- [ in ]
-ema [ condition ]
embolo/o [ embolus ]
embry/o [ embryo ]
-emesis [ vomiting ]
-emia [ blood condition  ]
-emic [ pertaining to blood condition  ]
emmetr/o [ in due measure  ]
-emphraxis [ stoppage, obstruction  ]
en- [ in; within  ]
enanti/o [ opposite, opposed ]
encephal/o [ brain ]
end- [ in; within  ]
endo- [ in; within  ]
enter/o [ intestines (usually small intestine)  ]
eosin/o [ red; rosy; dawn-colored  ]
epi- [ above; upon; on  ]
epididym/o [ epididymis ]
epiglott/o [ epiglottis ]
episi/o [ vulva ]
epitheli/o [ skin; epithelium  ]
equi- [ equality, equal ]
equin/o [ horse ]
-er [ one who  ]
erg/o [ work ]
erethism/o [ irritation  ]
erythem/o [ flushed; redness  ]
erythr/o [ red ]
eschar/o [ scab ]
-esis [ action; condition; state of ]
eso- [ inward ]
esophag/o [ esophagus ]
esthes/o [ nervous sensation  ]
esthesi/o [ nervous sensation  ]
-esthesia [ nervous sensation  ]
estr/o [ female ]
ethm/o [ sieve ]
eti/o [ cause ]
eu- [ good; normal  ]
-eurysm [ widening ]
ex- [ out; away from  ]
exanthemat/o [ rash ]
exo- [ out; away from  ]
extra- [ outside ]
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