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Ultrastructural localization of Ca2(+)-binding sites in the middle ear mucosa of the rat
M C Karatay1, W Mann, U R Heinrich
1ENT Department, University of Freiburg, Federal Republic of Germany.
Abstract:
Cations were precipitated with potassium-pyroantimonate in the middle ear mucosa of the rat and the distribution of the formed precipitates was studied by electron microscopy. The precipitate density in various cells of the different epithelia of the middle ear mucosa was determined on electron micrographs by counting the number of precipitates per unit area. Electron spectroscopic imaging was also performed to obtain information about the spatial distribution of the precipitates and their elemental composition.