內源(英語:Endogeny)視語境有時也稱內生,是起源於內部或深層的發展、產生、增長[1][2]

內源性物質(英語:Endogenous substances)是體內代謝中產生的活性物質及最終產物,比如NH3胺類激素膽色素神經遞質等都可以稱為內源性物質。

內源基因(英語:Endogenous gene)是機體自身基因組內的基因。

參考

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