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Fig. 1. Changes of relative cell water volume (Vr) of trout
hepatocytes exposed to (A) hyposmotic medium or (B) hyperosmotic medium,
followed by re-exposure to isosmotic conditions. C, A and B denote isosmotic
control saline, hyposmotic calibration saline (264 mosmol
l1) and hyperosmotic calibration saline (308 mosmol
l1), respectively. HYPO EXP (166 mosmol
l1) and HYPER EXP (465 mosmol l1) indicate
duration of experimental hypo- and hyperosmotic exposure. Values are means
± S.E.M. of 60 cells from four independent preparations.