Ureter develops from?

Mesonephric duct.In human embryos, three sets of slightly overlapping kidney systems are formed in a cranial to caudal sequence: the pronephros, mesonephros, and inetanephros. The first one - the pronephros is rudimentary and non functional; the second set of kidney - the mesonephros - are well developed and function briefly during the early fetal life; the third - the inetanephros - forms the permanent kidneys.PronephrosMcsonephrosa. metanephric mesoderm, which provides' excretory units andb. the ureteric bud, or onetanephric diveiculum which gives rise to the collecting system.