Intracellular free Ca increased by lowering pH [proceedings].
D000331:Aequorin / Q000378:metabolism; D000818:Animals; D002118:Calcium / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D009119:Muscle Contraction; D009132:Muscles / Q000378:metabolism*; D001468:Thoracica
D000331:Aequorin; D002118:Calcium