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The Oogenesis of Kribensis, Pelvicachromis pulcher, Cichlidae, Teleostei  

Kim, Dong-Heui (Department of Environmental Medical Biology, Institute of Basic Medical Science, Wonju College of Medicine, Yonsei University)
Chang, Byung-Soo (Department of Cosmetology, Hanseo University)
Teng, Yung-Chien (Department of Environmental Medical Biology, Institute of Basic Medical Science, Wonju College of Medicine, Yonsei University)
Kwon, Jung-Kyun (Department of Electron Microscopy Laboratory, College of Medicine, Hanyang University)
Lee, Myeong-Seon (Department of Genetic Engineering, Cheongju University)
Lee, Gui-Young (Department of Beauty Coordination, Keukdong College)
Lee, Kyu-Jae (Department of Environmental Medical Biology, Institute of Basic Medical Science, Wonju College of Medicine, Yonsei University)
Publication Information
Applied Microscopy / v.40, no.2, 2010 , pp. 65-71 More about this Journal
Abstract
Kribensis, Pelvicachromis pulcher is a teleost belonging to Cichlidae. The oogenesis was investigated by light microscope. The ovary was located between intestine and air bladder, a yellowish and ellipsoidal shape with the major axis 20mm and the minor axis 5 mm. Cytoplasm of oogonia in early stage was basophilic and many nucleoli were located at inside of nuclear membrane. In primary oocytes, yolk vesicles were distributed only in the marginal area and egg envelope was not formed on the outside of an egg. In secondary oocytes, the egg envelope was formed and yolk vesicles in the cytoplasm were increased than the earlier stage. The basophilic substance of cytoplasm was changed to acidic. Some yolk vesicles started forming small yolk mass except the surrounding nucleus. In case of matured egg, size of egg were increased. The yolk vesicles were changed to yolk mass in accordance with development. The yolk mass contained crystal-like structures. In conclusion, the oogenesis of Pelvicachromis pulcher was summarized by the increase in cell size, the formation and the accumulation of yolk, and the decrease of basophilic substance in the cytoplasm. The oogenesis of Coreoleuciscus splendidus is similar with other teleost. But there were differences in distribution of yolk vesicle and yolk mass containing cristal-like structures.
Keywords
Kribensis; Pelvicachromis pulcher; Oogenesis;
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Times Cited By KSCI : 4  (Citation Analysis)
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