The body's growth & development are controlled by these substances secreted by the endocrine glands
Cells of these target organs have specific protein receptors that bind to the .... 
can be converted to estradiol by a pathway controlled by the enzyme aromatase,
... [DOC] [TLE] Endocrine Function - Hormonal and Metabolic Disorders - Merck ... [PAR] The main function of endocrine glands is to secrete hormones directly into the ... 
chemical substances that affect the activity of another part of the body (target site)
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