Phagocytic Activity of Tunic Cells in the Colonial Ascidian Aplidium yamazii : Polyclinidae, Aplousobranchia
スポンサーリンク
概要
- 論文の詳細を見る
The phagocytic activity of tunic cells of the colonial ascidian Aplidium yamazii was assessed by incubation of thin tunic slices including these cells with fluorescent microparticles. Only one type of tunic cell engulfed the microparticles. These phagocytic tunic cells are irregularly shaped, motile, and often contain phagosomes. Many of them also contain vesicles laden with round granules. Occasionally, they engulf another tunic cell. Because this type of tunic cell is always found in the tunic of histological sections prepared from whole (unsliced) colony specimens, these cells are probably distributed in the tunic under normal conditions. Peroxidase activity was demonstrated exclusively within granule-containing vesicles of some phagocytic tunic cells. This finding indicated that the phagocytic tunic cells might possess an oxygen-dependent microbicidal system. It is presumed that the phagocytic tunic cells migrate throughout the tunic matrix, engulf extraneous substances (including bacteria) and also function as scavengers to keep the tunic free of discarded tunic cells and other debris, such as from wounds.
- 社団法人日本動物学会の論文
- 1994-04-15
著者
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Saito Yasunori
Shimoda Marine Research Center, University of Tsukuba
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Hirose E
Univ. The Ryukyus Okinawa Jpn
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Hirose Euichi
Shimoda Marine Research Center University Of Tsukuba : (present Address)department Of Biology Keio U
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Hirose Euichi
Biological Laboratory College Of Agriculture And Veterinary Medicine Nihon University
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Saito Yasunori
筑波大学
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Saito Yasunori
Shimoda Marine Research Center University Of Tsukuba
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Ishii T
Akita Univ. Akita Jpn
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Taneda Yasuho
横浜国立大学
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Ishii Teruhisa
Shimoda Marine Research Center, University of Tsukuba
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Taneda Yasuho
Department of Biology, Faculty of Education, Yokohama National University
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Taneda Y
横浜国立大学
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Ishii Teruhisa
Shimoda Marine Research Center University Of Tsukuba
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Saito Yasunori
Shimoda Marine Research Center Univ. Of Tsukuba
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