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. 
: central part of a word.     
:  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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-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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