The cycling of calcium as an intracellular messenger.

Aldosterone/metabolism Animals Calcium/physiology Calcium Channels/physiology Cell Membrane/physiology Cyclic AMP/physiology Diglycerides/metabolism Insulin/metabolism Insulin Secretion Islets of Langerhans/metabolism Muscle Contraction Muscle, Smooth/physiology Muscle, Smooth, Vascular/physiology Phosphatidylinositol 4,5-Diphosphate Phosphatidylinositols/metabolism Phosphorylation Protein Kinase C/metabolism Second Messenger Systems Signal Transduction Zona Glomerulosa/metabolism

Calcium Channels Diglycerides Insulin Phosphatidylinositol 4,5-Diphosphate Phosphatidylinositols Aldosterone Cyclic AMP Protein Kinase C Calcium