Excitation-contraction coupling and intracellular calcium pool in the penis retractor muscle of Helix pomatia.
D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D002110:Caffeine / Q000494:pharmacology; D002118:Calcium / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D004553:Electric Conductivity; D004558:Electric Stimulation; D006372:Helix, Snails / Q000502:physiology*; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009132:Muscles / Q000187:drug effects / Q000502:physiology* / Q000648:ultrastructure; D010413:Penis / Q000187:drug effects / Q000502:physiology*; D012908:Snails / Q000502:physiology*; D014700:Verapamil / Q000494:pharmacology
D002110:Caffeine; D014700:Verapamil; D000109:Acetylcholine; D002118:Calcium