title: Changes in serum osmotic and ionic concentration in landlocked Petromyzon marinus.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D002712:Chlorides / Q000097:blood; D004777:Environment; D005399:Fishes / Q000097:blood*; D005618:Fresh Water; D007798:Lampreys / Q000097:blood*; D007814:Larva; D009994:Osmolar Concentration; D012621:Seasons; D012623:Seawater; D012964:Sodium / Q000097:blood; D013997:Time Factors
chemical_list: D002712:Chlorides; D012964:Sodium