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. 2002 Nov 22;546(Pt 2):471–481. doi: 10.1113/jphysiol.2002.024125

Figure 8. The role of CO2/ HCO3 buffer in hyposmosis-induced Ca2+ response.

Figure 8

Following replacement of the CO2/HCO3 buffer with 5 mm Hepes, application of 250 mosmol kg−1 failed to induce a Ca2+ response in 5 out of 6 cells tested. Hepes, added to the CO2/HCO3 buffer, did not influence the Ca2+ response (n = 6).