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Figure 1 | BMC Genomics

Figure 1

From: Revealing genes associated with vitellogenesis in the liver of the zebrafish (Danio rerio) by transcriptome profiling

Figure 1

Ovaries from zebrafish ( Danio rerio ). The top panels show ovaries from non-vitellogenic females (A), 2-month old (B) and 4-month old (C) females and the corresponding histological sections are shown in lower panels (D, E and F, respectively). A) A non-vitellogenic ovary containing transparent Stage I oocytes, shown at a higher magnification in the insert. B) A vitellogenic ovary collected from a 2-month old female. C) A vitellogenic ovary collected from a 4-month old female. D) Histological section of a non-vitellogenic ovary (I) and liver. E) A cross-section of an ovary from a 2-month old female showing oocytes at Stages I, II and III with cortical alveoli (CA). F) A cross-section of an ovary from a 4-month old female showing oocytes at Stages II and III and one oocyte possibly displaying germinal vesicle breakdown (GVBD). Cortical alveoli (CA) and the germinal vesicle (GV) are clearly shown in stage III oocytes.

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