Testis-Ova
Cross-sectioned testis (central zone) of Hynobius nigrescens in May (azan stain); gv = germinal vesicle (nucleus), o = ooplasm, ss = secondary spermatogonia. Scale = 100 micrometer.
There are numerous secondary spermatogonia in the maturing lobules. Testis-ova (oocyte-like cells) are found occasionally in the testicular lobules.
Copyright 2002 Masato Hasumi, Dr. Sci. All rights reserved.
| Top Page | | Japanese |