Endogeny (biology)

Endogenous substances and processes are those that originate from within a system such as an organism, tissue, or cell.[1]

Exogenous substances and processes contrast with endogenous ones, such as drugs, which originate from outside of the organism.

ReferencesEdit

  1. ^ "Endogenous | Define Endogenous at Dictionary.com". Dictionary.reference.com. Retrieved 2011-07-11.

External linksEdit

  •   The dictionary definition of endogeny at Wiktionary