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Ductus seu Canalis deferens, Vibrator, (F.) Conduit spermatique, Canal seu Conduit deferent, is the excretory canal of the sperm, which arises from the epididymis, describes numerous convolutions, and with the vessels and nerves of the testicle concurs in the formation of the spermatic chord, enters the abdominal ring, and terminates in the ejaculatory duct.