title: Calcium content of frog rod outer segments and discs.
mesh_terms: D000818:Animals; D001001:Anura; D002118:Calcium / Q000032:analysis* / Q000378:metabolism; D003624:Darkness; D008027:Light; D010786:Photoreceptor Cells / Q000032:analysis* / Q000502:physiology; D011898:Ranidae
chemical_list: D002118:Calcium