title: Studies on the European eel (Anguilla anguilla, L).
mesh_terms: D000311:Adrenal Glands / Q000502:physiology; D000818:Animals; D001835:Body Weight; D004524:Eels / Q000502:physiology*; D004702:Endocrine Glands / Q000502:physiology*; D007668:Kidney / Q000502:physiology; D009489:Neurosecretion; D010902:Pituitary Gland / Q000502:physiology; D014882:Water-Electrolyte Balance