Journal of Applied Biological Sciences

Journal of Applied Biological Sciences

Development of the Yolk Nucleus of Previtellogenic Oocytes in Rainbow Trout, Oncorhynchus mykiss, Studied by Light Microscopy

Yazarlar: Nagihan GÜLSOY

Cilt 1 , Sayı 2 , 2007 , Sayfalar 33-35

Konular:-

Anahtar Kelimeler:Oncorhynchus mykiss,Previtellogenic oocytes,Yolk nucleus,Trout

Özet: In this study, the development of the yolk nucleus in cytoplasm of previtellogenic oocytes was examined by light microscopy during oogenesis in trout, Oncorhynchus mykiss. We determined that oocytes 20-30 μm in diameter have much basophilic (electron dense) cytoplasm and an area of fl occulent appearance begins to emerge around the nucleus. The yolk nucleus was first recognized within this area as a few fragments dense granular thread. These fragments were observed gradually increase in number and length until they assemble into a spherical mass. When oocytes develop to greater than 107 μm in diameter, the yolk nucleus was dispersed throughout the cytoplasm and the cytoplasm was observed more homogenous.

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@article{2007, title={Development of the Yolk Nucleus of Previtellogenic Oocytes in Rainbow Trout, Oncorhynchus mykiss, Studied by Light Microscopy}, volume={1}, number={33–35}, publisher={Journal of Applied Biological Sciences}, author={Nagihan GÜLSOY}, year={2007} }
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Nagihan GÜLSOY. (2007). Development of the Yolk Nucleus of Previtellogenic Oocytes in Rainbow Trout, Oncorhynchus mykiss, Studied by Light Microscopy (Vol. 1). Vol. 1. Journal of Applied Biological Sciences.
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Nagihan GÜLSOY. Development of the Yolk Nucleus of Previtellogenic Oocytes in Rainbow Trout, Oncorhynchus Mykiss, Studied by Light Microscopy. no. 33–35, Journal of Applied Biological Sciences, 2007.
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