The relationship of the calcium content of smooth muscle to its contractility in response to different modes of stimulation.
D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001001:Anura; D002118:Calcium / Q000378:metabolism*; D004558:Electric Stimulation; D066298:In Vitro Techniques; D008274:Magnesium / Q000378:metabolism; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000378:metabolism*; D013270:Stomach
D008274:Magnesium; D000109:Acetylcholine; D002118:Calcium