Fig. 12. Light micrographs of gonads from control eelpout embryos at day 35 (15 November) showing transverse sections from the anterior end, central part and posterior end of the gonad. Scale bars, 100 µm. Paraffin section. Haematoxylin-eosin staining. (A—C) Female gonad with a single hollow ovary containing oocytes (A = anterior end; B = central part; C = posterior end). (D—F) Presumptive male gonad, two-lobed. GC, germ cell; I, intestine; K, kidney; M, mesentery; Oc, oocyte (primary); OC, ovarian cavity; Og, oogonia.