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Immunocytochemistry showing human capping proteinα3 (hCPα3) and human capping proteinβ3 (hCPβ3) labeling in human ejaculated sperm. hCPα3 and hCPβ3 are localized at the post‐acrosomal region of the sperm head. (A) Normal staining, (B) abnormal staining, heterogeneous staining for CPα3 (arrow) [Colour figure can be viewed at wileyonlinelibrary.com]
