Natriuretic peptide Atrial natriuretic peptide Atrium (heart) Brain natriuretic peptide 32 Cyclic adenosine monophosphate Cyclic guanosine monophosphate Dendroaspis natriuretic peptide Gi alpha subunit Granule (cell biology) Heterotrimeric G protein Natriuretic peptide precursor C Phospholipase C Physiology