paradidymis

noun

para·​did·​y·​mis -ˈdid-ə-məs 

plural paradidymides -ə-mə-ˌdēz 

: a group of coiled tubules situated in front of the lower end of the spermatic cord above the enlarged upper extremity of the epididymis and considered to be a remnant of tubes of the mesonephros