This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Congenital malformations, Subject name: Gynaecology & Obstetrics
All are derivatives of paramesonephric duct except 
Select and explain. 
A. Appendix of testis, B. Hydatid of morgagni, C. Uterus, D. Ganer's duct
D: Ganer's duct
Answer: D: Ganer's duct 
Explanation: Paramesonephric ducts : In Females it forms uterine tubes, uterus and upper pa of vagina In Males:Its a vestigeal remanent Presents on the upper pole of the testis and attached to the tunica vaginalis which may give rise to cysts Ganer&;s duct: Derived from mesonephric duct in females. Longitudinal duct running parallel to the uterine tube and embedded in the wall of cervix. Equivalent to vas deferens in male. HUMAN EMBRYOLOGY, INDERBIR SINGH,Pg no:226, 277,9th edition