输尿管芽 3)生后肾组织 →肾单位→与集合小管 相通 诱导 Metanephric tissue caps Cell o clusters 3。= Collecting Bowmans A tubule B Distal convoluted Distal convolute tubule tubule Henes Glomerulus loop. \Proximal Bowmans Collecting convoluted Bowmans tubule capsule Henle E3) 生后肾组织→ → → 肾单位→ 与集合小管 相通 输尿管芽 诱导