The histochemistry of complex carbohydrates in the epithelium lining the ventral prostate of the rat

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Abstract
Summary In the epithelium lining the ventral prostate of the rat, complex carbohydrate-containing structures have been studied by means of both light and electron microscopic histochemical methods. According to light microscopy, the free surface and granules of different sizes in the distal cytoplasm of the epithelial cells were found to exhibit positive reactions for complex carbohydrates with 1,2-glycol and acidic groups and sialic acid residues. In addition, secretory substances within the glandular lumen were shown to exhibit positive reactions for similar groups and saccharide residues of complex carbohydrates. In electron microscopy, the surface coat of the plasma membrane, certain elements of the Golgi apparatus and lysosomal dense bodies were found to exhibit positive reactions for glycoproteins with 1,2-glycol groupings. The histophysiological significances of the carbohydrate-containing structures have been discussed with special reference to the known physiological functions of the prostate in the rat.