title: Filament structure in contracted smooth muscle.
mesh_terms: D008841:Actin Cytoskeleton / Q000187:drug effects / Q000648:ultrastructure*; D000199:Actins / Q000502:physiology; D000251:Adenosine Triphosphatases / Q000378:metabolism; D000818:Animals; D002121:Calcium Channel Blockers / Q000494:pharmacology; D002217:Carbachol / Q000494:pharmacology; D003599:Cytoskeleton / Q000648:ultrastructure*; D004347:Drug Interactions; D008854:Microscopy, Electron; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000166:cytology / Q000187:drug effects* / Q000201:enzymology; D011188:Potassium / Q000494:pharmacology; D014335:Tropomyosin / Q000502:physiology
chemical_list: D000199:Actins; D002121:Calcium Channel Blockers; D014335:Tropomyosin; D002217:Carbachol; D000251:Adenosine Triphosphatases; D011188:Potassium