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Fig. 4. Effect of the extracellular osmolality on Em and
Rin. The extracellular osmolality was varied by increasing
or decreasing the NaCl concentration of the bath solution, and the changes in
Em (A) and Rin (B) were determined 5
min later. For comparison, volume changes (
Volrel) as a
percentage of control values are shown (grey squares, right-hand axes, mean
values of N=2–84 experiments, see
Fig. 2B,D). Data are means
± s.d.; number of experiments is given next to each data point.
Asterisks indicate significant differences from the data in SLS
(*P<0.05, **P<0.01).
Osmolalities of the anisotonic solutions were normalized to SLS (Relative
osmolality, see Fig. 2).