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Endogenous/Exogenous: Definition and Overview

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What Is Endogenous and Exogenous

What is endogenous and exogenous?

Endogenous means originating within the body, and exogenous means originating outside the body. Health professionals who treat people with diabetes often apply these terms to insulin: Endogenous insulin refers to the insulin the pancreas makes, and exogenous insulin refers to the insulin people inject or infuse via an insulin pump.

Originally Published October 30, 2009

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