Abstract
Smooth muscle cells of the guinea-pig sphincter pupillae were fixed in the presence of 3% lanthanum nitrate. Although only small amounts of lanthanum were found in plasmalemmal vesicles, large deposits were present within a membrane system resembling sarcoplasmic reticulum. The significance of these findings is discussed in relation to the use of lanthanum nitrate as an extracellular tracer.
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Schedule a callMore From: Zeitschrift fur Zellforschung und mikroskopische Anatomie (Vienna, Austria : 1948)
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