Definition for Hormone
From Biology Forums Dictionary
Revision as of 21:29, 3 March 2011 by Bio man (Talk | contribs) (Created page with "A chemical messenger that is produced in a gland or other structure and acts on distant target cells in one or more parts of the body.")
A chemical messenger that is produced in a gland or other structure and acts on distant target cells in one or more parts of the body.