The tonofilaments condense into bundles and become attached to desmosomes.
张力细丝集中成束，并附着于桥粒上。
Intracellular tonofilaments and intercellular junctions were seen in all three types of oval cells.
此三型卵圆细胞均有细胞内张力微丝和细胞间连接结构。
The intermediate epithelial cells were characterized by their abundant cytoplasmic tonofilaments and well developed tubulo-vesicular system.
观察表明中间型上皮的基本特征是细胞胞质内含有发育良好的管泡状系统和较丰富的张力微丝（束）。
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