Cranston D, Davies A H, Smith J C
Department of Urology, Churchill Hospital, Oxford.
Br J Urol. 1990 Sep;66(3):294-6. doi: 10.1111/j.1464-410x.1990.tb14930.x.
Cobb's collar or Moormann's ring is a stricture of the bulbar urethra which is largely unrecognised but has considerable relevance urologically as the site of congenital or post-instrumental strictures. The history, anatomy, embryology and surgical importance are reported.
科布氏环或莫尔曼氏环是球部尿道的一种狭窄,在很大程度上未被认识到,但在泌尿外科中作为先天性或器械操作后狭窄的部位具有相当重要的意义。本文报道了其病史、解剖学、胚胎学及手术重要性。