Testis Descent Movie

Embryology - 20 Apr 2024 Expand to Translate
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Testis-descent start.jpg</wikiflv>

Links: Quicktime movie | Quicktime | Flash | Testis Development | Third Trimester

Testis Descent

Data from a study of male human fetal (between 10 and 35 weeks) gonad position^[1]

10 to 23 weeks - (9.45%) had migrated from the abdomen and were situated in the inguinal canal
24 to 26 weeks - (57.9%) had migrated from the abdomen
27 to 29 weeks - (16.7%) had not descended to the scrotum

Gubernaculum

mesenchymal structure occurring associated with gonad development and involved in testes descent.
Two factors - insulin-like peptide hormone 3 (INSL3) and androgen, have been shown to be involved with gubernaculum development. Insulin-like peptide 3 (INSL3) hormone receptor is RXFP20.

Human gubernaculum development: 8-12 weeks - mesonephric fold at or near the gonad; 20-25 weeks - connected to the testis or uterus.^[2]

References

↑ <pubmed>9649288</pubmed>
↑ <pubmed>18661576</pubmed>

Source: UNSW Embryology Thanks to the late Prof William Larsen for allowing permission to use animations based on images from his textbook. (More? movie technical information)

Links: Movies Page | Category:Movies

Cite this page: Hill, M.A. (2024, April 20) Embryology Testis Descent Movie. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Testis_Descent_Movie

What Links Here?

[1] <pubmed>9649288</pubmed>

[2] <pubmed>18661576</pubmed>

[1]

[2]