Outside of the organism and not belonging to it. [L. extraneus]
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ex·tra·ne·ous (ek-straґne-əs) [L. extraneus external] existing or belonging outside the organism.Medical dictionary. 2011.
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ex·tra·ne·ous (ek-straґne-əs) [L. extraneus external] existing or belonging outside the organism.Medical dictionary. 2011.