Definition of exogenous
1
: produced by growth from superficial tissue
exogenous roots produced by leaves
2a
: caused by factors (such as food or a traumatic factor) or an agent (such 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
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Merriam-Webster unabridged
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Time Traveler for exogenous
The first known use of exogenous was in 1830
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