The front cover of Human Reproduction shows triple immunofluorescent labelling of rhesus monkey seminiferous epithelium at stage VII of the epithelial cycle. Pachytene spermatocytes (small arrows), an Apale spermatogonium (large arrow) and weakly-stained pre-leptotene spermatocytes (arrowheads) are visible. For further details please see Ehmcke et al., pp. 1185-1193
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