Author: Sean Williamson, M.D. (see Authors page)

Revised: 1 September 2017, last major update May 2012

Copyright: (c) 2002-2017, PathologyOutlines.com, Inc.

PubMed Search: Ureters general normal "loattrfree full text"[sb]

Table of Contents
Definition / general
Cite this page: Williamson, S. Ureters - Normal. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/uretersureternormal.html. Accessed May 22nd, 2018.
Definition / general
  • 30 cm long, 5 mm in diameter
  • Areas of ureteral narrowing are at ureteropelvic junction, crossing of external / common iliac artery and where ureters enter bladder; these are common sites of obstruction and stone impaction
  • Ureters enter bladder in oblique manner
  • Bladder muscle contraction mechanically closes off ureteral orifice
  • Defects cause reflux