RAPID COMMUNICATION : Sperm Behavior in the Micropyle of the Medaka Egg
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概要
- 論文の詳細を見る
Sperm behavior in the micropyle of the medaka egg was examined using videomicroscopy. Spermatozoa swimming near the egg, whose progressive speed was similar to that of spermatozoa freely swimming in a medium, entered the micropylar canal after being trapped in the funnel-shaped micropylar vestibule or entered directly. The spermatozoa stalled in the micropylar vestibule entered the micropylar canal with a time lag of less than 0.5 sec. Proceeding at a fairly high speed for a short time, the spermatozoa gradually slowed down when the flagellar movement of the spermatozoa became obstructed by the surface of the micropylar canal, finally reaching the plasma membrane . The spermatozoa which directly entered the micropylar canal maintained progressive speed until their flagellar movement became obstructed by the surface of the micropylar canal. They reached the plasma membrane through the micropylar canal in the same manner as the spermatozoa experiencing collision with the surface of the micropylar vestibule.
- 社団法人日本動物学会の論文
- 1993-02-15
著者
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Iwamatsu Takashi
Department of Biology, Aichi University of Education
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HAMAGUCHI Yukihisa
Biological Laboratory Faculty of Bioscience and Biotechnology, Tokyo Institute of Technology
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ISHIJIMA SUMIO
Biological Laboratory, Faculty of Bioscience and Biotechnology, Tokyo Institute of Technology
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Iwamatsu Takashi
Department Of Biology Aichi University Of Education
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Ishijima S
Jst‐crest
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Ishijima Sumio
Biological Laboratory Faculty Of Bioscience And Biotechnology Tokyo Institute Of Technology
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Hamaguchi Yukihisa
Biological Laboratory Faculty Of Bioscience And Biotechnology Tokyo Institute Of Technology
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Hamaguchi Yukihisa
Biological Laboratory Faculty Of Science Tokyo Institute Of Technology
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Ishijima Sumio
Biological Laboratory Faclty Of Science Tokyo Institute Of Technology
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Hamaguchi Yukihisa
Biological Laboratory Faclty Of Science Tokyo Institute Of Technology
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