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Fig. 3. (A-F) Immunolocalization of the Na+/K+-ATPase in
gills from adult Carcinus maenas. (A,B) Section of anterior gill.
(C,D) Gill filaments of posterior gill. (E,F) Control section of posterior
gill. (A,C,E) Fluorescent micrographs. (B,D,F) Corresponding phase-contrast
pictures. Cu, cuticle; ep, epithelium; gf, gill filament; gs, gill shaft; hl,
hemolymph lacuna; mv, marginal vessel; pc, pillar cell. Bars, 50 µm.