Fig. 10. In situ hybridisation analysis of oestrogen receptor (ER)
expression in gonads of control eelpout embryos. Bright- and dark-field
micrographs of representative transverse sections from the gonadal regions of
embryos hybridised with anti-sense (A,B,D,E) or sense (C,F) eelpout ER
RNA probe. (A-C) Presumptive male gonad at the beginning of the experiment (11
October). (D-F) Normal female gonad (control) at the end of the experiment (15
November). Arrows indicate the position of gonads.