Fig. 5. Ovary of the white shark Carcharodon carcharies. Ovary of the white shark Carcharodon carcharies. (A) The right ovary (OV) shows full development of the anterior of epigonal organ (EP). (B) A fragment of the ovary after fixation with Bouin's solution. Several yolk-containing oocytes (O) and small oocytes are evident. (C) Histology of ovarian tissue stained with hematoxylin and eosin. Several post-ovulatory follicles (PO) are seen together with young oocytes (YO). (D) Yolk-containing oocytes in the ovary stained with PAS. Yolk granules are strongly stained with PAS. Scale bars=500 μm (C,D). Keiichi Sato et al. Biology Open 2016;5:1211-1215 © 2016. Published by The Company of Biologists Ltd