Definify.com
Webster 1913 Edition
exogenous
ex-og′e-nous
,Adj.
1.
(Bot.)
derived from or originating outside; pertaining to, or having the character of, an exogen; – the opposite of
endogenous
.
Syn. – exogenetic.
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.
3.
(Anat.)
Growing from previously ossified parts; – opposed to
autogenous
. Owen.
Exogenous aneurism
(Med.)
, an aneurism which is produced by causes acting from without, as from injury.