Summary
In epithelial and smooth muscle cells of the urinary bladder of the frog, a class of filaments exists which is partly disintegrated by glycerol treatment and very resistant to potassium solutions of high ionic strength.
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We are indebted to Miss M. Schlatter for her technical assistance. This work was supported by the Deutsche Forschungsgemeinschaft (He 686/2).
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Heumann, H.G., Weigold, M. Are intermediate filaments of vertebrate smooth muscle cells and tonofilaments of epithelial cells identical cell structures?. Experientia 34, 649–650 (1978). https://doi.org/10.1007/BF01937013
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DOI: https://doi.org/10.1007/BF01937013