The Entry of Ca-45 Into the Skin and Other Soft Tissues of the Rat: An Autoradiographic and Spodographic Study

    January 1957 in “ Journal of Histochemistry & Cytochemistry ”
    Leonard F. Bélanger
    TLDR Ca 45 mainly enters rat skin and eye through biosynthesis and may be adsorbed in cartilage and glands.
    The study investigates the uptake of radiocalcium (Ca<sup>45</sup>) in the skin, eye, cartilage, and mucous glands of rats using autoradiographic and spodographic techniques. It was found that most of the calcium entering the hair follicle is located in the keratogenous zone. In the skin and eye, Ca<sup>45</sup> appears to enter through biosynthesis, whereas in cartilage and mucous glands, the uptake may be due to cation adsorption by sulfopolysaccharides. The distribution of Ca<sup>45</sup> in these tissues corresponds with the pattern observed in spodograms.
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