Histological of L. thermalis ovary fed with different doses of manganese.

* (N) Nucleus, (NL) Nucleolus, (YV) yolk Vesicle, (YV) Yolk granules, (GV) Germinal vesicle, (FO) Follicular layer, (LBC) lamp Brush Chromosome, (CNS) Chromatin nucleolus stage, (PNS) Perinucleolus stage, (YVS) Yolk vesicle stage, (PVS) Primary vitellogenin stage, (SVS) Secondary yolk stage.