title: The regulatory role of calcium in muscle.
mesh_terms: D000199:Actins / Q000502:physiology; D000251:Adenosine Triphosphatases / Q000502:physiology; D000255:Adenosine Triphosphate / Q000494:pharmacology; D000818:Animals; D002118:Calcium / Q000494:pharmacology / Q000502:physiology*; D066298:In Vitro Techniques; D008274:Magnesium / Q000494:pharmacology; D008974:Mollusca; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000502:physiology; D009132:Muscles / Q000502:physiology*; D009218:Myosins / Q000502:physiology; D010766:Phosphorylation; D011494:Protein Kinases / Q000502:physiology; D014335:Tropomyosin / Q000502:physiology
chemical_list: D000199:Actins; D014335:Tropomyosin; D000255:Adenosine Triphosphate; D011494:Protein Kinases; D000251:Adenosine Triphosphatases; D009218:Myosins; D008274:Magnesium; D002118:Calcium