Primary urethral groove
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| Primary urethral groove | |
|---|---|
| Latin | sulcus urethralis primarius |
| Precursor | urogenital folds |
| Gives rise to | urethra |
| Code | TE E5.6.4.2.1.7.3 |
The primary urethral groove or 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 can be associated with hypospadias.[1]
[edit] References
- ^ Holland AJ, Smith GH (August 2000). "Effect of the depth and width of the urethral plate on tubularized incised plate urethroplasty". J. Urol. 164 (2): 489–91. doi:10.1016/S0022-5347(05)67408-3. PMID 10893631. http://linkinghub.elsevier.com/retrieve/pii/S0022-5347(05)67408-3.
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