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Ureteric bud

Ureteric bud
Carnegie stage	13
Days	35
Precursor	Wolffian duct
Gives rise to	part of kidney (calyx, collecting duct, renal pelvis, ureter)
Dorlands/Elsevier	b_25/12199662

The ureteric bud is a protrusion from the mesonephric duct during the development of the urinary and reproductive organs. It latter develops into the adult kidney, except for the nephrons, which, in contrast, originate from the metanephric blastema.

It is also sometimes called the "metanephric diverticulum".

v • d • e Prenatal development/mammalian embryogenesis - Development of the urinary and reproductive organs
General Urinary/Reproductive system	Cloacal membrane - Cloaca - Urethral groove - Urogenital sinus - Urachus - Urogenital folds
Kidney development	Nephrogenic cord - Nephrotome - Pronephros - Mesonephros (Mesonephric tubules) Ureteric bud - Metanephric blastema
Fetal genital development - primarily internal	Gonadal ridge - Sex cord (Cortical cords, Testis cords) Pronephric duct/Wolffian duct/mesonephric duct - Müllerian duct/paramesonephric ducts (Vaginal plate)
Primarily external	Genital tubercle - Phallus - Labioscrotal folds Gubernaculum - Processus vaginalis
see also list of homologues of the human reproductive system