Fig. 6. Immunohistochemical localization of Na⁺/K⁺-ATPase in pseudobranch cells. The confocal image shows three optical sections of a pseudobranch cell in the (A) x,z, (B) the x,y and (C) the y,z planes. Within each image the location of the two accompanying sections is indicated by white cross-sectional bars, i.e. in the x,y section (bottom left) the horizontal bar indicates the location of the x,z section (top image), and the vertical bar the location of the y,z section (bottom right). Note that Na⁺/K⁺-ATPase immunoreactivity is located at all cell membranes. Scale bar, 10 µm.

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