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Navicular fossa of male urethra

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Title: Navicular fossa of male urethra  
Author: World Heritage Encyclopedia
Language: English
Subject: Penis, Fossa navicularis, Appendix of testis, Male reproductive system, Prostatic sinus
Publisher: World Heritage Encyclopedia

Navicular fossa of male urethra

Navicular fossa of male urethra
The male urethra laid open on its anterior (upper) surface.
Latin fossa navicularis urethrae
Anatomical terminology

The cavernous portion of the urethra is narrow, and of uniform size in the body of the penis, measuring about 6 mm in diameter; it is dilated behind, within the bulb, and again anteriorly within the glans penis, where it forms the fossa navicularis urethræ.

The navicular fossa is the spongy part of the male urethra located at the glans penis portion. It is essentially the part right before the external urethral orifice. It is lined by stratified squamous, non-keratinizing epithelium when viewed histologically.

During development, the glans of the penis is initially solid but cannulates to give rise to the navicular fossa.


This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

  • Anatomy photo:44:06-0205 at the SUNY Downstate Medical Center - "The Male Pelvis: The Urethra"
  • figures/chapter_35/35-1.HTM — Basic Human Anatomy at Dartmouth Medical School

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