metanephric diverticulum

(redirected from metanephric bud)

met·a·neph·ric di·ver·tic·u·lum

an outgrowth from the caudal portion of the mesonephric duct on either side, which grows cephalodorsally to make contact with the masses of metanephrogen tissue (nephric blastemas) and give rise to the epithelial lining of the ureter and of the pelvis and the collecting ducts of the kidney.

met·a·neph·ric di·ver·tic·u·lum

(met'ă-nef'rik dī'vĕr-tik'yū-lŭm)
An outgrowth from the mesonephric duct that gives rise to the ureter, renal pelvis, calyces, and collecting tubules.
Synonym(s): ureteric bud.
References in periodicals archive ?
Supernumerary kidney is among the rarest congenital urological anomalies with fewer than 100 cases reported in the English literature.[sup.4] The embryological anomaly is from premature division of the metanephric bud; the number of kidneys probably reflects the number of abnormal divisions of the progenitor cells.