title: Comparative endocrinology and osmoregulation: introductory remarks.
mesh_terms: D000663:Amphibians; D000818:Animals; D001001:Anura; D001717:Birds; D004058:Diffusion; D004702:Endocrine Glands / Q000502:physiology; D005399:Fishes; D005880:Gills / Q000502:physiology; D007668:Kidney / Q000502:physiology; D008116:Lizards; D008322:Mammals; D009994:Osmolar Concentration; D009995:Osmosis; D010828:Physiology, Comparative; D011898:Ranidae; D012104:Reptiles; D012623:Seawater; D012879:Skin Physiological Phenomena; D012911:Snakes; D001743:Urinary Bladder / Q000502:physiology; D014882:Water-Electrolyte Balance