exogenous


exogenous
adjective Etymology: French exogène exogenous, from exo- + -gène (from Greek -genēs born) — more at -gen Date: 1830 1. produced by growth from superficial tissue <
exogenous roots produced by leaves
>
2. a. caused by factors (as food or a traumatic factor) or an agent (as a disease-producing organism) from outside the organism or system <
exogenous obesity
>
<
exogenous psychic depression
>
<
exogenous market fluctuations
>
b. introduced from or produced outside the organism or system; specifically not synthesized within the organism or system • exogenously adverb

New Collegiate Dictionary. 2001.