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|linkpage =Endocrine System - Anatomy & Physiology
|linktext =Endocrine System
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|pagetype =Anatomy
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==Prohormone==
A prohormone is a precursor to a hormone, and usually has little effect itself. It is altered within the body to become the active hormone.
==Examples==
*Pro-Insulin
*Pro-opiomelanocorticotropin