01 a. derived from or originating outside; pertaining to, or having the character of, an exogen; -- the opposite of endogenous.
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1.
derived from or originating outside; pertaining to, or having the character of, an exogen; -- the opposite of endogenous.(Bot.)
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2.
Growing by addition to the exterior; growing by addition of a new external layer of cells on the surface just beneath the bark; -- of plants.(Bot.)
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3.
Growing from previously ossified parts; -- opposed to autogenous.(Anat.)
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4.
caused by factors from outside the body, rather than from an abnormality of internal functions; -- of illness.(Med.)
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5.
not synthesized within the organism; absorbed or assimilated from outside the organism.(Biol., Biochem.)
Phrases & compounds
Exogenous aneurism —
an aneurism which is produced by causes acting from without, as from injury.
Syn.
exogenetic.