exogenous
adjective
ex·og·e·nous
ek-ˈsä-jə-nəs
1
: produced by growth from superficial tissue
exogenous roots produced by leaves
2
a
: 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
exogenously
adverb
Cite this Entry
“Exogenous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exogenous. Accessed 7 Jul. 2026.
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