<unk>  <unk>  or AM) is a vasodilator peptide hormone of uncertain significance in human health and disease. It was initially isolated in 1993 from a pheochromocytoma, a tumor of the adrenal medulla: hence the name. In humans<unk>  is encoded by the<unk>  gene.<unk>  is a peptide expressed by all tissues, and found in the circulation. A similar peptide named<unk> 2 was reported in rats in 2004 which exhibits a similar function.
Adrenomedullin
Angiotensin II 
Prorenin
Vasopressin 
Vasopressin
Endothelin
Synephrine
Counterregulatory hormone