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As yet, there is little knowledge as to the possible side effects of vasectomy on the function of the epididymis. In rats and bulls, it has been reported that vasectomy causes a spermatocoele to develop at the site of ligation on the vas deferens or in the epididymis (Amann & Almquist, 1962; Igboeli & Rakha, 1970; Hooker & Gilmore, 1972); in other species, notably the rabbit, this does not occur (Macmillan, Desjardins, Kirton & Hafs, 1968; Paufler & Foote, 1969). Some reports have claimed that vasectomy causes atrophy of the testis and disruption of spermatogenesis (Laumas & Uniyal, 1967; Sacher & Schilling, 1973) but most workers agree that, at least in the early stages, vasectomy only affects the terminal parts of the epididymis. It is not known what influence this might have
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Richard Jones (1974) studied this question.
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