Figure 2. Histological abnormalities of adult (P>60) testes from Rhox13 KO on a mixed genetic background.
(A–D) Bouin’s-fixed KO sections are stained with H&E and abnormal tubules are indicated by asterisks (★ = only containing condensed spermatids and Sertoli cells; ★★ = lacking spermatids; ★★★ = lacking spermatids and almost all spermatogonia). Scale bar = 50 µm.