<prompt> The appendix of the testis develops fromMesonephric ductParamesonephric ductBothNone  <response>: Inderbir Singh;s; Human embryology; Tenth edition; Pg 300The paramesonephric ducts remain rudimentary in a male.The greater pa of each duct eventually disappears.The cranial end of each duct persists as a small rounded body attached to the testis appendix of testis that may occasionally give rise to cysts. 