title: Simultaneous changes in fluorescence and optical retardation in single muscle fibres during activity.
mesh_terms: D000818:Animals; D001001:Anura; D001692:Biological Transport; D001718:Birefringence; D002118:Calcium / Q000378:metabolism; D005453:Fluorescence; D066298:In Vitro Techniques; D008564:Membrane Potentials; D009119:Muscle Contraction; D011896:Rana temporaria; D012519:Sarcoplasmic Reticulum / Q000502:physiology
chemical_list: D002118:Calcium