Intranuclear Inclusion Bodies in Epithelial Cells of Human Vas Deferens

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Abstract
Four different types of inclusion bodies were seen within the nucleus of the principal cells in segments of vas deferens from 40 fertile males: (1) electron-dense homogeneous bodies of various sizes (0.1-1.8 m) and shapes, (2) granular bodies approximately 0.06-0.12 μ (3) lipid inclusion bodies, and (4) less electron-dense, filamentous bodies. They were either membrane-bound or free within the nucleoplasm. Some membranous material was scattered within the nucleoplasm. The internal structure of nuclei containing these bodies differed from cell to cell. The nucleoplasm was composed either of dense granular elements or fine filamentous components. The aggregation and density of the ground nuclear material increased with increasing numbers of inclusion bodies. Very dense nuclei were in cells with typical features of degeneration. Frequently, extruded parts of cells or entire cells were seen within the lumen of the vas deferens.