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The Oogenesis of Three Spot Gourami, Belontiidae, Teleostei  

Chang, Byung-Soo (Department of Cosmetology, Graduate School of Health Promotion, Hanseo University)
Jung, Han-Suk (Department of Chiropractic Rehabilitation, Graduate School of Health Promotion, Hanseo University)
Joo, Kyung-Bok (Department of Ophthalmic Optics, Chodang University)
Kim, Dong-Heui (Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University)
Publication Information
Applied Microscopy / v.41, no.3, 2011 , pp. 155-161 More about this Journal
Abstract
Three spot gourami (Trichogaster trichopterus Pallas, 1770) is a teleost belonging to Belontiidae. The oogenesis of three spot gourami was investigated by light microscope. The ovary was of light peach color and ellipsoidal shape with the major axis 2 cm and the minor axis 1 cm. Cytoplasm of oogonia was basophilic and many nucleoli were located at inside of nuclear membrane. In primary oocyte, lipid droplets were distributed only in the marginal area first, than at nuclear envelope near. In secondary oocyte, the egg envelope was formed and yolk vesicles was formed in the marginal area. The basophilic substance of cytoplasm was changed to acidic. In case of matured egg, thickness of egg envelope and size of egg were increased. The yolk vesicles were changed to yolk mass in accordance with development. The fertilized eggs were the colorless, transparent, spherical, adhesive and pelagic type. A large oil droplet was located in vitelline membrane of the fertilized egg. In conclusion, the oogenesis of three spot gourami was characterized by the increase in cell size, the formations of lipid droplets and yolk, the decrease of basophilic substance in the cytoplasm, and formation of one large oil droplets.
Keywords
Three spot gourami; Oogenesis; Belontiidae;
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Times Cited By KSCI : 2  (Citation Analysis)
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