Medical Dictionary


adj ad·ven·ti·tious \-əs\

Medical Definition of ADVENTITIOUS

a :  arising sporadically or in other than the usual location <an adventitious part in embryonic development> b :  occurring spontaneously or accidentally in a country or region to which it is not native <an adventitious insect>
:  not congenital <adventitious deafness>
ad·ven·ti·tious·ly adverb
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