title: Light-induced decrease in calcium binding to isolated bovine photoreceptors.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002118:Calcium / Q000378:metabolism*; D002132:Calcium Radioisotopes; D002417:Cattle; D003624:Darkness; D066298:In Vitro Techniques; D008027:Light; D010786:Photoreceptor Cells / Q000378:metabolism*
chemical_list: D002132:Calcium Radioisotopes; D002118:Calcium