title: Diversity of narrow-fibered and wide-fibered muscles.
mesh_terms: D000199:Actins / Q000502:physiology; D000222:Adaptation, Physiological; D000818:Animals; D002118:Calcium / Q000494:pharmacology; D003285:Contractile Proteins / Q000502:physiology; D009119:Muscle Contraction; D009132:Muscles / Q000166:cytology / Q000502:physiology*; D009218:Myosins / Q000502:physiology
chemical_list: D000199:Actins; D003285:Contractile Proteins; D009218:Myosins; D002118:Calcium