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Diagram of germ cell progression in T-AR−/y, S-AR−/y, L-AR−/y, PM-AR−/y, G-AR−/y, and AR+/y testis. AR+/y, G-AR−/y, and PM-AR−/y testis can achieve full germ cell progression. However, spermatogenesis in the T-AR−/y, S-AR−/y, and L-AR−/y testis ceases predominately at the pachytene, diplotene, and round spermatid stages, respectively.
