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Testes histology of morc mice. Representative hematoxylin/eosin sections from testes of adult +/− (A and C) or −/− (B and D) mice demonstrate absence of spermatocytes in the −/− animals. Numerous pyknotic cells were present in −/− mice at the location where primary spermatocytes are found. (Magnifications: A and B, ×400; C and D, ×1,000).
