Figure 2 | Scientific Reports

Figure 2

From: Oocyte growth, follicular complex formation and extracellular-matrix remodeling in ovarian maturation of the imperial zebra pleco fish Hypancistrus zebra

Figure 2

Morphology of oocyte types in Hypancistrus zebra. (A,B) Oogonia nest. (C,F,I) SEM of the surface of stage I, II and III oocytes, respectively. (D,E) Stage I oocytes with granules in the cytoplasm and nucleus. (G) Stage II oocyte. (H) Formation of the layers that surround the stage II oocyte. (J) Stage III oocyte. (K) Layers surrounding the stage III oocyte. Stains: B,D,G,H - Methylene blue. E, K - PAS/hematoxylin. A, J - HE. N: nucleus, Nu: nucleolus, OgI: Oogonia nest, OgII: Isolated oogônia, Ca: cortical alveolus, BM: basement membrane, F: follicular cell, Zr: zona radiata, Y: yolk globules, T: theca layer.

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