Relationships between calcium and cyclic nucleotides in cell activation.

3',5'-Cyclic-AMP Phosphodiesterases/metabolism Adrenal Cortex Hormones/biosynthesis Adrenal Medulla/physiology Animals Antibody Formation Blood Platelets/physiology Calcium/physiology Cell Division Cell Physiological Phenomena Fertilization Gluconeogenesis Glycogen/metabolism Hormones/physiology Islets of Langerhans/physiology Lymphocytes/physiology Mast Cells/physiology Muscle Contraction Muscles/physiology Neutrophils/physiology Nucleotides, Cyclic/physiology Protein Kinases/metabolism Receptors, Cell Surface/physiology Retina/physiology Salivary Glands/physiology

Adrenal Cortex Hormones Hormones Nucleotides, Cyclic Receptors, Cell Surface Glycogen Protein Kinases 3',5'-Cyclic-AMP Phosphodiesterases Calcium