title: Ultrastructural studies of the site of action of ryanodine on heart muscle.
mesh_terms: D000470:Alkaloids / Q000494:pharmacology*; D000818:Animals; D000831:Animals, Newborn; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D002415:Cats; D003864:Depression, Chemical; D006321:Heart / Q000196:embryology / Q000254:growth & development; D066298:In Vitro Techniques; D008854:Microscopy, Electron; D009119:Muscle Contraction / Q000187:drug effects; D009206:Myocardium / Q000166:cytology*; D009210:Myofibrils / Q000187:drug effects; D010210:Papillary Muscles / Q000187:drug effects; D011817:Rabbits; D012508:Sarcolemma / Q000187:drug effects; D012519:Sarcoplasmic Reticulum / Q000187:drug effects
chemical_list: D000470:Alkaloids; D000889:Anti-Arrhythmia Agents