develops from develops from mesonephric tubule pronephric duct mesonephric duct http://upload.wikimedia.org/wikipedia/commons/6/6d/Gray1109.png TAO:0000546 Wikipedia:Mesonephric_duct XAO:0000242 SCTID:308800003 uberon Paired organ that connects the primitive kidney Wolffian body (or mesonephros) to the cloaca and serves as the anlage for certain male reproductive organs. the Wolffian duct is what remains of the pronephric duct after the atrophy of the pronephros[WP]. In Zebrafish: Duct of the adult kidney (mesonephros), present bilaterally ventral to the somites and leading to the cloacal chamber[ZFA]. UMLS:C0043204 Wolffian duct MESH:D014928 UBERON:0003074 EHDAA2:0001243 GAID:1315 AAO:0000637 ZFA:0000546 NCIT:C26469 VHOG:0000082 EMAPA:16577 EHDAA:1590 nephric ridge nephric duct