poikilosmosis
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poikilosmosis — poi·ki·los·mo·sis (poi″kil oz moґsis) the processes by which a cell or tissue adjusts the osmolarity of its fluid to that of its immediate environment. poikilosmotic adj … Medical dictionary
homeostasis — the ability of organisms to maintain body fluids at a rather constant osmotic pressure despite changes in their environment, the condition in most fishes. Opposite of poikilosmosis … Dictionary of ichthyology
poikilosmotic — the adjective for poikilosmosis … Dictionary of ichthyology
