Figure 1. Histopathology of Mei11 Mutant Testes.
Paraffin-embedded adult testes sections were stained with hematoxylin and eosin (A–D) or periodic acid–Schiff (E and F). Genotypes are indicated.
(A, B, and D) Images are at 20×, except for inset (60×).
(C) Dying spermatocytes (arrows) are in an epithelial stage IV seminiferous tubule (60×).
(E) Incomplete meiotic arrest. The seminiferous tubule marked with an asterisk contains mid-pachytene spermatocytes (arrows). 60×.
(F) A rare tubule (asterisk) containing round spermatids (blue arrows) and elongating spermatids (black arrows). 60×.