<prompt> Appendix of testis is derived from which of the embryonic structures given below?Paramesonephric ductMesonephric ductHind gutCloaca  <response>: The appendix testis or hydatid of Morgagni is a vestigial remnant of the Mullerian duct Paramesonephric Duct, present on the upper pole of the testis and attached to the tunica vaginalis. It is present about 90 of the time. 