Labioscrotal swelling
(Redirected from Labioscrotal folds)
| Labioscrotal swelling | |
|---|---|
| File:Human genitalia - development 1.png Stages in the development of the external sexual organs in the male and female. | |
| Details | |
| Precursor | Genital tubercle |
| Gives rise to | Labia majora, scrotum |
| System | Reproductive system |
| Identifiers | |
| Latin | tuberculum labioscrotale |
| TA98 | Lua error in Module:Wikidata at line 746: attempt to index field 'wikibase' (a nil value). |
| TH | {{#property:P1694}} |
| TE | {{#property:P1693}} |
| FMA | {{#property:P1402}} |
| Anatomical terminology [[[d:Lua error in Module:Wikidata at line 865: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]] | |
The labioscrotal swellings (genital swellings or labioscrotal folds) are paired structures in the mammalian embryo that represent the final stage of development of the caudal end of the external genitals before sexual differentiation. In humans, the two swellings merge:
- In the female, they become the posterior labial commissure. The sides of the genital tubercle grow backward as the genital swellings, which ultimately form the labia majora; the tubercle itself becomes the mons pubis.
- In the male, they become the scrotum.
References
[edit | edit source]Public domain This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
External links
[edit | edit source]- "Development of Male External Genitalia", at mcgill.ca
- "Development of Female External Genitalia", at mcgill.ca
- Diagram at mhhe.com
- Swiss embryology (from UL, UB, and UF) ugenital/genitexterne01
- MedEd at Loyola urology/nlpendv.htm
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