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Figure 4


Fig. 4. Effects of 10 µmol l-1 dopamine (DA) on transepithelial potential differences (Vte) of posterior gills of Chasmagnathus granulatus, after pretreatment with the protein phosphatase inhibitor, okadaic acid (60 nmol l-1). Vte is strongly and permanently stimulated. (*P<0.001; N=5).