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Photomicrograph of bull testis seminiferous tubules and interstitial tissue, the section stained with H&E.  The tubules are about 0.2 mm (200 µ) in diameter.  Note the evidence of spermatogonial divisional activity.  Although special staining techniques are required to show the stages of spermatogenesis, spermatid heads are visible nearing release into the lumen to be transported out of the testis into the epididymis.

Bull testis photomicrograph enlarged

Credit: Harold Hafs

Digital Credit: Harold Hafs

Publisher: None

Rights: No rights reserved - image is in the public domain

Description: Photomicrograph of bull testis seminiferous tubules and interstitial tissue, the section stained with H&E. The tubules are about 0.2 mm (200 µ) in diameter. Note the evidence of spermatogonial divisional activity. Although special staining techniques are required to show the stages of spermatogenesis, spermatid heads are visible nearing release into the lumen to be transported out of the testis into the epididymis.

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