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首页> 外文期刊>Russian journal of marine biology >Ultrastructure of Microvillar Coelomocytes from the Trunk Coelom of Thysanocardia nigra Ikeda, 1904 (Sipuncula) from the Sea of Japan
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Ultrastructure of Microvillar Coelomocytes from the Trunk Coelom of Thysanocardia nigra Ikeda, 1904 (Sipuncula) from the Sea of Japan

机译:来自日本海的Thysanocardia nigra Ikeda,1904年(Sipuncula)的躯干体腔的微绒毛体腔内皮细胞的超微结构

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摘要

This research is part of a study on the ultrastructure of coelomocytes and cellular complexes from the body cavity of sipunculans. New free-swimming elements called microvillar cells in the trunk coelom of Thysanocardia nigra Ikeda, 1904 are examined using transmission electron microscopy. The cell harbors a giant vesicle filled with a fibrous matrix and rosettes of minute osmiophilous granules. The nucleus is peripheral, and a few cell organelles are situated between the cell membrane and the vesicular membrane. The cell membrane bears numerous microvilli with enlarged apical points. Numerous small microvillar vesicles swimming in the coelomic fluid separate from the microvillar cells. The functional morphology of coelomocytes and cellular complexes is discussed.
机译:这项研究是对来自五倍体体腔中的白细胞和细胞复合物超微结构的研究的一部分。使用透射电子显微镜检查了1904年黑胸腺心动过速的躯干腔中称为微绒毛细胞的新自由游动元素。该细胞带有一个巨大的囊泡,囊泡中充满了纤维基质和微小的渗透性颗粒状的玫瑰花结。核是外围的,并且一些细胞器位于细胞膜和囊泡膜之间。细胞膜上带有无数微绒毛,其顶端增大。大量的微绒毛小囊泡在体液中游动,与微绒毛细胞分开。讨论了内皮细胞和细胞复合物的功能形态。

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