End of adjacent to cloaca) mesonephric duct Origin Ureteric bud one Prolong Ureter Embranchment >12 Renal pelvis, renal calyce The end branched as t Collecting tube
Ureteric bud End of mesonephric duct （adjacent to cloaca） Ureter Renal pelvis, renal calyce Collecting tube Prolong Embranchment ＞12 （The end branched as T） Origin one
O rigIn Metanephrogenic (Mesoderm of the blastema two mesonephric ridge) Cap-shaped cell cluster -shaped tubule Bind to collecting Renal capsule Glomerulus tubule ena Renal Nephron tubule corpuscle
Cap-shaped cell cluster Metanephrogenic blastema (Mesoderm of the mesonephric ridge) S-shaped tubule Bind to collecting tubule Renal tubule Renal capsule Glomerulus Renal corpuscle + Nephron Origin two
Metanephrogenic Mesonephric blastema Collecting tubule Renal renal tubule Ureteric pelvis calyce bud
Mesonephric tubule Ureteric bud Metanephrogenic blastema Renal pelvis Renal calyce Collecting tubule
a∠2 Formation and rising of metanephros
Formation and rising of metanephros
Development of urinary bladder and urethra Male Female Upper: Urinary Urinary bladder Urogenital bladder SINus Middle: Ur pper pa Urethra 4-7th week Cloaca of urethra Urorectal Anorectal Lower: Lower part Vestibule septum of urethra of vagina cana
Development of urinary bladder and urethra Cloaca 4-7th week Urorectal septum Urogenital sinus Anorectal canal Upper： Middle: Lower: Male Female Urinary bladder Upper part of urethra Lower part of urethra Urinary bladder Urethra Vestibule of vagina