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Post-vasectomy impairment of transepithelial water reabsorption in the initial segment of the epididymis.

Using a modified split-droplet micropuncture technique there was an impairment of water reabsorption in the initial segment of the epididymis 2 weeks post vasectomy. This was supported by light-microscopy. The cause and a possible reversal of this impairment are not apparent. However, in men, low sperm counts post vasectomy reversal and eventually otherwise could be attributed not only to suppression of spermatogenesis in the testis but also to impairment of sperm concentration in the epididymis.