Developmental Process of Genital Ducts in the Medaka, Oryzias latipes(Developmental Biology)
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概要
- 論文の詳細を見る
The morphological development of genital ducts both intra-gonadal (ovarian cavity and efferent duct) and extra-gonadal (oviduct and sperm duct) was investigated in a model teleost, medaka Oryzias latipes. The results showed that the extra-gonadal genital ducts contained two structural units, the anterior and posterior parts, in both sexes. Of special interest is a newly discovered process for the development of a posterior part of the oviduct. the anterior part of oviduct extended continuously from the ovarian cavity in this study, was formed. This part results from invagination and cavitation of the cortex of urinogenital papillae (UGP) and forms the wall of the oviduct opening. we also suggest that the ventral region of urethra mesenchyme has an important role in extra-genital ducts formation.
- 社団法人日本動物学会の論文
- 2004-04-25
著者
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SUZUKI Aya
Department of Orthodontics and Craniofacial Developmental Biology, Hiroshima University Graduate Sch
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SHIBATA NAOKI
Department of Information Processing and Management, Shiga University
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Suzuki Aya
Department Of Environmental System Science Graduate School Of Science And Technology Shinshu Univers
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Shibata Naoki
Department Of Biology Faculty Of Science Shinshu University
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