exogenous \ex*og"e*nous\, a.
1. (Bot.) derived from or originating outside; pertaining to,
or having the character of, an exogen; -- the opposite of
endogenous.
Syn: exogenetic.
[1913 Webster]
2. (Bot.) 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.
[1913 Webster]
3. (Anat.) Growing from previously ossified parts; -- opposed
to autogenous. --Owen.
[1913 Webster]
4. (Med.) caused by factors from outside the body, rather
than from an abnormality of internal functions; -- of
illness.
[PJC]
5. (Biol., Biochem.) not synthesized within the organism;
absorbed or assimilated from outside the organism.
[PJC]
Exogenous aneurism (Med.), an aneurism which is produced by
causes acting from without, as from injury.
[1913 Webster]
Source: The Collaborative International Dictionary of English v.0.48
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