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Urethral groove

 
Medical Dictionary: urethral groove
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n.

The groove on the undersurface of the embryonic penis that ultimately is closed to form the penile portion of the urethra.

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Wikipedia: Urethral groove
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Urethral groove
Precursor urogenital folds
Gives rise to urethra

The urethral groove is a temporary linear indentation on the underside (ventral side) of the male penis during embryonic development.

In humans, it typically appears around 8 weeks of gestation and becomes closed into a normal male urethra by the 12th week.

Pathology

Failure of complete closure results in a hypospadias.

v • d • e
Prenatal development/mammalian embryogenesis - Development of the urinary and reproductive organs (GA 11.1204)
Common Urinary/Reproductive system
Kidney development
Fetal genital development
Primarily internal
Primarily external
Homologues
urinary system navs: anat/physio/dev, noncongen/acid+base/congen/neoplasia, symptoms+signs/eponymous, proc
reproductive system navs: anat female,male/physio/dev, noncongen/congen/neoplasia, symptoms+signs/eponymous, proc


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Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Urethral groove".  Read more