Sperm were collected over a period of months from a human alloplastic spermatocele implanted at the corpus/caudal epididymal junction and were evaluated for their maturity, motility, and ability to capacitate and acrosome react, as assessed by the hamster zona-free oocyte sperm penetration assay
The motility of spermatozoa from the head and tail of the epididymis in bulls was studied. Qualitatively and quantitatively, the motility of spermatozoa from the cauda was distinctly better than that from the caput. It was possible to achieve a highly significant increase in the motility of
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