RAPID COMMUNICATION : Kinetics of First Spermatogenesis in Young Toads of Xenopus laevis
スポンサーリンク
概要
- 論文の詳細を見る
The kinetic profile of first spermatogenesis was examined at 22±1℃ in young toads of Xenopus laevis. The most progressed spermatogenic stage was primary spermatogonia in newly metamorphosed toads. Secondary spermatogonia were observed 3 days after metamorphosis. First leptotene and pachytene spermatocytes appeared 17 and 20 days after metamorphosis, respectively. Then first diplotene spermatocytes, meiotic division and round spermatids were observed 42 days, and first mature spermatozoa 70 days, after metamorphosis. On the basis of these results, the difference between the time required for first spermatogenesis in young toads and cycling spermatogenesis in adult toads is discussed.
- 社団法人日本動物学会の論文
- 1993-02-15
著者
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Kobayashi Tetsuya
Laboratory Of Integrative Brain Sciences Department Of Biology Faculty Of Education And Integrated A
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IWASAWA HISAAKI
Biological Institute, Faculty of Science, Niigata University
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Iwasawa Hisaaki
Biological Institute Faculty Of Science Niigata University
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KOBAYASHI TOHRU
Biological Institute, Faculty of Science, Niigata University
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Asakawa Yohko
Biological Institute, Faculty of Science, Niigata University
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Asakawa Yohko
Biological Institute Faculty Of Science Niigata University
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Kobayashi Tohru
Biological Institute Faculty Of Science:graduate School Of Science And Technology Niigata University
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Kobayashi Tohru
Biological Institute Faculty Of Science Niigata University
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