Measurements of intracellular free Ca++.
D000818:Animals; D001369:Axons / Q000032:analysis; D001826:Body Fluids / Q000032:analysis*; D002118:Calcium / Q000032:analysis* / Q000378:metabolism; D049832:Decapodiformes; D066298:In Vitro Techniques; D007202:Indicators and Reagents; D007424:Intracellular Fluid / Q000032:analysis*; D007700:Kinetics; D008928:Mitochondria / Q000378:metabolism; D009119:Muscle Contraction; D012519:Sarcoplasmic Reticulum / Q000378:metabolism; D013053:Spectrophotometry; D001468:Thoracica
D007202:Indicators and Reagents; D002118:Calcium