[3-dimensional organization of the nucleolus and the nucleolus-organizing regions in differentiated cells. I. Ring-shaped nucleoli in the endotheliocytes, smooth-muscle cells and fibroblasts in the mouse].


The method of ultra-thin serial sections was used to study the three-dimensional structure and to perform the quantitative analysis of ring-shaped nucleoli of kidney and liver endotheliocytes, smooth muscle cells of kidney arterioles and fibroblasts of mice. Spatial models of ring-shaped nucleoli with one fibrillar centre are given. For the quantitative… (More)


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