title: Dependence of potassium ion and sodium ion exchange on light in the crayfish retina.
mesh_terms: D000818:Animals; D003400:Astacoidea / Q000378:metabolism*; D002462:Cell Membrane / Q000378:metabolism; D003624:Darkness; D008027:Light; D008564:Membrane Potentials; D010783:Photometry; D011188:Potassium / Q000378:metabolism*; D011868:Radioisotopes; D012160:Retina / Q000378:metabolism*; D012413:Rubidium / Q000378:metabolism; D012964:Sodium / Q000378:metabolism*
chemical_list: D011868:Radioisotopes; D012964:Sodium; D012413:Rubidium; D011188:Potassium