Reproductive System, Male

Testis, Seminiferous Tubule - Giant Cells

    Narrative
    Testis, Seminiferous tubule - Giant cells in a male B6C3F1 mouse from a subchronic study. These cells are associated with germ cell degeneration.
    Testis, Seminiferous tubule - Giant cells in a male F344/N rat from a chronic study. These cells are associated with germ cell degeneration.
    Testis, Seminiferous tubule - Giant cells in a male Harlan Sprague-Dawley rat. These cells represent spermatocytes that have coalesced into individual syncytial cells. (Photograph courtesy of Dr. D. Creasy.)
    Testis, Seminiferous tubule - Giant cells in a male Harlan Sprague-Dawley rat. A multinucleated giant cell (arrow) formed by fusion of round spermatids. (Photograph courtesy of Dr. D. Creasy.)