Urethra

• membranous urethra
  14 March 2022

  WKP
  Definition : A small (1 or 2 cm) portion passing through the external urethral sphincter. This is the narrowest part of the urethra. It is located in the deep perineal pouch.
  The membranous urethra or intermediate part of male urethra is the shortest, least dilatable, and, with the exception of the urinary meatus, the narrowest part of the urethra.
  The bulbourethral glands ( Cowper glands ) are found posterior to this region but open in the spongy (...)

• prostatic urethral polyp
  30 August 2018

  Definition : polyp of prostatic tissue protruding in the urethral lumen.
  Synopsis
  Mostly in adult men
  Usually asymptomatic but may cause hematuria
  Cystoscopically, the lesions appear as discrete small papillary growths that may be solitary or extensive, producing a velvety coating on the mucosa
  Microscopy
  Papillary fronds contain a thin fibrovascular core and are covered by normal prostatic acinar epithelium
  Occasionally, foci of residual urothelium can be seen
  See also (...)

• urethral anomalies
  30 August 2018

  Types
  caruncle
  diverticula
  inverted papilloma
  leiomyoma
  nephrogenic adenoma / mesonephric adenoma
  papilloma
  polypoid urethritis
  prolapse
  prostatic urethral polyp
  See also
  urethra

• urinary meatus
  21 March 2018

  WKP
  Definition: The urinary meatus, also known as the external urethral orifice, is the opening or meatus of the urethra. It is the point where urine exits the urethra in males and in females, and also where semen exits the urethra in males.
  The meatus has varying degrees of sensitivity to touch. The meatus is located on the glans penis in males and in the vulval vestibule in females.
  Pathology
  urinary meatus anomalies
  urinary meatus diseases
  urinary meatus tumors
  See also (...)

• urethral melanoma
  3 March 2017

  Images
  Urethral melanoma https://twitter.com/priyaraomd/status/837312048581181440

• urethral clear cell adenocarcinoma
  15 March 2016

  Clear cell adenocarcinoma of the urethra
  Open references
  Clear cell adenocarcinoma of the urethra: review of the literature. Venyo AK. Int J Surg Oncol. 2015;2015:790235. doi:10.1155/2015/790235 . PMID: #25685552# (Free)

• prostatic urethra
  21 July 2008

  Prostatic urethra begins on superior surface, descends almost vertically, with continuous prostatic utricle extending to posterior prostatic wall, exits anteriorly.
  It is divided into halves by sharp 35 degree angle midway, at site of veru montanum.

• urethra
  10 September 2007

  Adj. urethral
  |PO|WKP|
  Definition: In anatomy, the urethra is a tube that connects the urinary bladder to the urinary meatus for the removal of urine from the body.
  In males, the urethra travels through the penis and also carries semen.
  In human females (and in other primates), the urethra connects to the urinary meatus above the vagina.
  Components
  pre-prostatic urethra
  prostatic urethra
  membranous urethra
  spongy urethra (or penile urethra)
  Pathology
  urethral (...)

• fetal urethral obstruction
  22 May 2007

  FUO

• Y-type urethral duplication
  9 November 2006

  References
  Haleblian G, Kraklau D, Wilcox D, Duffy P, Ransley P, Mushtaq I. Y-type urethral duplication in the male. BJU Int. 2006 Mar;97(3):597-602. PMID: #16469034#

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