Primary urethral groove

Primary urethral groove
Primary urethral groove
Details
Precursor	Urogenital folds
Gives rise to	Urethra
Identifiers
Latin	sulcus urethralis primarius
TE	urethral groove_by_E5.6.4.2.1.7.3 E5.6.4.2.1.7.3
	Anatomical terminology [edit on Wikidata]

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 eight weeks of gestation and becomes closed into a normal male urethra by the twelfth week.

Clinical significance

Failure of complete closure can be associated with hypospadias.^[1]

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.

[pmid10893631-1] 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.

[1]