Reproductive Biology of Round Herring Etrumeus teres (Dekay, 1842) from the Egyptian Mediterranean Water at Alexandria
Figure 5
Photomicrograph of section in ovary of E. teres at immature stage (a), mature stage (b), vacuolization stage (c), and yolk deposition stage (d). Primary oocyte: po, secondary oocyte: so, oogonia: oog, nucleus: N, follicular epithelial: FE, yolky nucleolus: Yn, vacuoles: v, zona radiate: ZR, inner cortical alveoli: CA. Stained with haematoxylin and eosin (H and E).