Research Article

Revelation of ZnS Nanoparticles Induces Follicular Atresia and Apoptosis in the Ovarian Preovulatory Follicles in the Catfish Mystus tengara (Hamilton, 1822)

Figure 12

The histological section of the ovary of a M. tengara during the late spawning phase (August) showing large number of early perinucleolar oocytes (Epo) and few previtelline atretic follicles (af) when the tissues are treated with ZnS nanoparticles at the concentration of 500 μg/L [IA: Iron-Alum Haematoxylin].