Urethral groove
From Wikipedia, the free encyclopedia
Urethral groove | ||
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Precursor | urogenital folds | |
Gives rise to | urethra | |
Dorlands/Elsevier | g_12/12402854 |
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.
[edit] Pathology
Failure of complete closure results in a hypospadias.
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