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Definition of EXOGENOUS
: produced by growth from superficial tissue <exogenous roots produced by leaves>
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
Origin of EXOGENOUS
French exogène exogenous, from exo- + -gène (from Greek -genēs born) — more at -gen