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. 2015 Mar 12;4(3):e988090. doi: 10.4161/21565562.2014.988090

Figure 9.

Figure 9.

Caudal region of the testis of Ambystoma mexicanum during spermiation. (A). There are lobules with spermatozoa (Sz) and, more caudally, there are lobules after spermiation without spermatozoa. Leydig cells (Le) hypertrophy around the lobules. Hematoxylin-eosin. Bar = 50 μm. (B). Detail of the Fig. 9A. During hypertrophy, Leydig cells (Le) become cuboidal, columnar or polyhedral in shape. The Leydig cells surround the lobules, where residual Sertoli cells (Se) and some spermatogonia (Sg) may be seen. Hematoxylin-eosin. Bar = 10 μm.