尿道球腺管

paramesonephric duct, Müllerian duct; 又称“米勒管”。

pipe elbow, duct bend

mammary duct ectasia

ductus ejaculatorius (拉, =ejaculatory duct)

ductus thyroglossalis【解剖】;thyroglossal duct【解剖】

Excision of Urachal duct or fistula with partial cholecystectomy

calculus of common bile duct,choledocholith

polymorphous low-grade denocarcinoma, terminal duct adenocarcinoma