Adrenomedullin (porcine) is a peptide that regulates vasodilation. Adrenomedullin (porcine) induces endothelium-dependent relaxation in rat aorta with IC 50 value of 2.4 nM. Adrenomedullin (porcine) induces endothelium-independent relaxation of porcine coronary arteries with an IC 50 of 27.6 nM.