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Ductuli aberrantes are two long narrow tubes, the ductulus aberrans inferior and the ductulus aberrans superior. The ductulus aberrant inferior (vas aberrans of Haller), is occasionally found connected with the lower part of the canal of the epididymis, or with the commencement of the vas deferens.

Ductuli aberrantes
Latinductuli aberrantes
Anatomical terminology

Its length varies from 3.5 to 35 cm.[citation needed], and it may become dilated toward its extremity; more commonly it retains the same diameter throughout.

Its structure is similar to that of the ductus deferens.

Occasionally it is found unconnected with the epididymis.

A second tube, the ductulus aberrans superior, occurs in the head of the epididymis; it is connected with the rete testis.


This article incorporates text in the public domain from page 1246 of the 20th edition of Gray's Anatomy (1918)