螅状独缩虫口区微纤维结构的研究
THE BUCCAL FILAMENTOUS RETICULUMS IN CARCHESIUM POLYPINUM
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摘要: 常规电镜观察显示螅状独缩虫口部单毛基索(HK)、第一(P1)和第二咽膜(P2)旁各有一片微纤维结构.经一步抽提后,这些微纤维结构仍存在.三步抽提显示它们是由直径12nm左右的类中间纤维构成的网格结构,细胞松弛素B不能使其解体.HK和P1旁的微纤维结构在口围唇处即已形成,随着向胞口延伸,微纤维结构逐渐变宽,并形成典型的网格结构.
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