Definition of "ductulus" [ductulus]

• A very small duct (noun)

WordNet. Princeton University. 2010.

• "A second tube, the ductulus aberrans superior, occurs in the head of the epididymis; it is connected with the rete testis."
• "—A long narrow tube, the ductulus aberrans 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 ductus deferens."