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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.10
- 수록면
- 1,231 - 1,243 (13page)
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초록· 키워드
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The ultrastructural study on oocyt development and the process of vitellogensis in the oocytes during oogenesis in female Pampus echinogaster were investigated by electron microscope observations. In the previtellogenic phase, in particular, several intermitochondrial cements appear in the cytoplasms of the chromatin nucleleolus oocyte and perinuclear oocyte. The number of intermitochondrial cements are associated with the multiplication of the number of mitochondria in the early developmental stage. In the early vitellogenic phase, the Golgi complex in the cytoplasm of the yolk vesicle oocyte is involved in the formation of yolk vesicles containing carbohydrate yolks. At this time, many pinocytotic vesicles containing yolk precursors (exogenous substances) by pinocytosis are observed in the cytoplasm near the region of initial formation of the zona pellucida. In the late vitellogenic phase, two morphological different bodies, which formed by the modified mitochondria, appeared remarkably in the yolked oocytes. The one is the multivesicular bodies and another is yolk precursors. The multivesicular bodies were transformed into the primary yolk globules, while yolk precursors were connected with exogeneous pinocytotic vesicles near the zona pellucida. After the pinocytotic vesicles were taken into yolk precursors, the yolk precursors were transformed into the primary yolk globules. Thereafter, primary yolk globules mixed with each other, eventually, they developed into secondary and tertiary yolk globules. In this study, vitellogenesis of this species occurred by way of endogenous autosynthesis and exogenous heteogenesis. Vitellogenesis occurred through the processes of endogeneous autosynthesis, involving the combined activity of the Golgi complex, mitochondria and multivesicular bodies formed by modified mitochondria. However, the process of heterosynthesis involved pinocytotic incorporation of extraovarian precursors (such as vitellogenin in the liver) into the zona pellucida (by way of granulosa cells and thecal cells) of vitellogenic oocytes.
목차
Abstract
Ⅰ. 서론
Ⅱ. 재료 및 방법
Ⅲ. 결과 및 고찰
Ⅳ. 결론 및 요약
References
참고문헌 (25)
참고문헌 신청
[학술지(정기간행물)] - Abe, T. / 1964 / Notes on an economically important but scientifically little know silver pomfret, Pampus echinogaster (Pampidiae, Teleostei) / Jap. J. Ichthyol 12 : 29 ~ 31
[학위논문] - Chung, E. Y. / 1985 / Studies on the reproductive cycle of greenling, Agrammus agrammus (Temminck et Schlegel) / Ph. D / Pukyeong Univ
[학술지(정기간행물)] - Chung, E. Y / 1995 / Ultrastruactural changes of germ cell during the gametgenesis in Korean Rochfish, Sebastes schlegeli / J. Kor. Fish. Soc 28 (6) : 736 ~ 752
[학술지(정기간행물)] - Chung, E. Y. / 1997 / Reproductive biology of the greenling, Hexagrammos otakii in the Yellow sea.Ⅰ . Ultrastructural study of spermatogenesis / Yellow Sea 3 : 87 ~ 94
[학술지(정기간행물)] - 정의영 / 2008 / 한국 서해산 병어, Pampus argenteus의 번식생태 / 발생과 생식 12 (2) : 169 ~ 181
[학위논문] - Chung, E. Y. / 1985 / Studies on the reproductive cycle of greenling, Agrammus agrammus (Temminck et Schlegel) / Ph. D / Pukyeong Univ
[학술지(정기간행물)] - Chung, E. Y / 1995 / Ultrastruactural changes of germ cell during the gametgenesis in Korean Rochfish, Sebastes schlegeli / J. Kor. Fish. Soc 28 (6) : 736 ~ 752
[학술지(정기간행물)] - Chung, E. Y. / 1997 / Reproductive biology of the greenling, Hexagrammos otakii in the Yellow sea.Ⅰ . Ultrastructural study of spermatogenesis / Yellow Sea 3 : 87 ~ 94
[학술지(정기간행물)] - 정의영 / 2008 / 한국 서해산 병어, Pampus argenteus의 번식생태 / 발생과 생식 12 (2) : 169 ~ 181
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UCI(KEPA) : I410-ECN-0101-2017-454-001326642