Stephen J. Schueler, M.D.

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Narrowed Urethra Anatomy

To better understand urethral stricture, it helps to understand the anatomy of the genitourinary system.

The urethra drains urine from the bladder. Muscles surrounding the urethra control the flow of urine during urination. The urethra normally allows the flow of urine when these muscles are relaxed.

In males, the urethra starts at the bladder, goes through the prostate, and ends at the tip of the penis. In females, the urethra is very short. It also starts at the bladder, but ends about one inch away near the opening of the vagina.

Anatomy examples:

  • Genitourinary system
  • Bladder and lower urinary tract in women
  • Bladder and lower urinary tract in men

Last Updated: Jan 6, 2011 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Narrowed Urethra References
  1. Berger AP, Deibl M, Bartsch G, Steiner H, Varkarakis J, Gozzi C. A comparison of one-stage procedures for post-traumatic urethral stricture repair. BJU Int. 2005 Jun;95(9):1299-302. [15892821]
  2. Chapple CR, Png D. Contemporary management of urethral trauma and the post-traumatic stricture. Curr Opin Urol. 1999 May;9(3):253-60. [10726100]
  3. Kessler TM, Schreiter F, Kralidis G, Heitz M, Olianas R, Fisch M. Long-term results of surgery for urethral stricture: a statistical analysis. J Urol. 2003 Sep;170(3):840-4. [12913712]
  4. Shah DK, Paul EM, Badlani GH; North American Study Group. 11-year outcome analysis of endourethral prosthesis for the treatment of recurrent bulbar urethral stricture. J Urol. 2003 Oct;170(4 Pt 1):1255-8. [14501736]
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