Meaning & use
endogenous
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Originating or produced from within an organism, system, or cell, rather than from external causes.
See it in a sentence
Insulin is an endogenous hormone produced by the pancreas.
Economists debated whether the recession was caused by endogenous factors within the market or external shocks.
A note on using this word
Endogenous is frequently paired with its opposite, "exogenous," especially in biology and economics, to distinguish internal from external causes.
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