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Sperm acrosomal region and nuclei were labelled with Peanut agglutinin lectin (PNA) and DAPI, respectively. Pictures were taken at 100X (top) and 20X (bottom) after immunostaining in the presence (+ AZGP1) or absence (Ctrl,—AZGP1) of antibody against AZGP1. Bars = 5 μm (top) and 20 μm (bottom).
