Interaction of acetylcholine, calcium and depolarization in the contraction of smooth muscle.
D000109:Acetylcholine / Q000494:pharmacology*; D002118:Calcium / Q000494:pharmacology*; D009130:Muscle, Smooth; D009132:Muscles / Q000502:physiology*
D000109:Acetylcholine; D002118:Calcium
ACETYLCHOLINE/pharmacology; CALCIUM/pharmacology; MUSCLES/physiology