Microscopy from Scientific Research

Representative images of PAS and hematoxylin-stained testes sections of two stages of the seminiferous cycle, indicating a germ cell arrest at the early pachytene stage. VII, Stage 7; PL, pre-leptotene; P, pachytene; RSs, round spermatids; eS(16), step 16 elongated spermatids; SC, Sertoli cell; Z, zygotene; m2, secondary meiocytes.

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