Fibroblast growth factor receptors (Fgfrs) are receptor tyrosine kinases with four known signaling members and 22 ligands in mammals (1). Fgfrs are expressed throughout embryogenesis in many tissues, ...
Embryologically, the position of the ureteral orifice in single and duplicated systems is best explained by the migration and rotation of each ureteral bud that forms on the mesonephric (Wolffian) ...