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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Gen Comp Endocrinol. 2014 Nov 10;210:130–144. doi: 10.1016/j.ygcen.2014.10.015

Fig. 6.

Fig. 6

Ovarian and testicular stages in control stickleback fish. Panels A–D show ovarian follicle developmental stages S1–S4. Follicles representative of the stage are denoted with a black arrow. Panel E shows a representative undifferentiated gonad (U) in an adult (>300 dpf) male. Panels F–H show spermatogenic stage progression S1–S3. Staging schema condensed from Sokolowska and Kulczykowska (2006).