title: Vertebrate osmoregulation.
mesh_terms: D000302:Adrenal Cortex / Q000502:physiology; D000818:Animals; D001717:Birds / Q000502:physiology; D003889:Desert Climate; D005399:Fishes / Q000502:physiology; D005618:Fresh Water; D006801:Humans; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology; D007668:Kidney / Q000502:physiology; D012623:Seawater; D012964:Sodium / Q000378:metabolism; D014714:Vertebrates / Q000502:physiology*; D014882:Water-Electrolyte Balance
chemical_list: D012964:Sodium