OBSERVATIONS ON THE GENITAL ACCESSORY GLANDS OF BOAR WITH SCANNING ELECTRON AND OPTICAL MICROSCOPES

SATO M., MASAKI J., NIWA T.

doi:10.14899/youton1964.21.39

The accessory genital glands of boars were examined with scanning electron and optical microscopies. The seminal vesicle consisting of a single layer of low columnar epithelium was identified as a compound tubular type. The epithelial cells were arranged generally in a form of a honeycomb. Some of the cells were either exfoliated or protruded. Long rodoform microvilli were visible on the surface of epithelial cells.<br>The prostate gland was identified as a compound tubular type composed of a single layer of tall columnar epithelial cells. Many but small secretory granules were found packed in the cytoplasm of each epithelial cell. The surface of the epithelial cells was almost spherical with partial proprusions.<br>The bulbourethral gland was identified as a compound tubular type. Its epithelium was composed of a single layer of columnar epithelial cells. The epithelial cells were arranged in a form a honeycomb. Their nuclei were small and were located at their base. The viscous secreta could be divided into the lipid-containing part and lipid-free part which was in a rectangular form with blunt angles and was combined with the other ones in every direction. In addition to the viscous glue-like substance, spherical substance with a diameter of approx. 20μm was noted at the tip of the glandular cells and in the ducts and was released by adhering to the surface of the glue-like substance.

OBSERVATIONS ON THE GENITAL ACCESSORY GLANDS OF BOAR WITH SCANNING ELECTRON AND OPTICAL MICROSCOPES

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