Endogeny (biology)
Endogenous substances and processes are those that originate from within a living system such as an organism, tissue, or cell.[1]
In contrast, exogenous substances and processes are those that originate from outside of an organism.
For example,
birth control pills
.
References
- ^ "Endogenous | Define Endogenous at Dictionary.com". Dictionary.reference.com. Retrieved 2011-07-11.
External links
The dictionary definition of endogeny at Wiktionary
