Testis Descent Movie: Difference between revisions
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[[Category:Human]] [[Category:Genital]] [[Category:Testis]] [[Category:Fetal]] [[Category:Third Trimester]] | [[Category:Human]] [[Category:Genital]] [[Category:Testis]] [[Category:Fetal]] [[Category:Third Trimester]] |
Revision as of 17:55, 6 March 2013
Embryology - 26 Apr 2024 Expand to Translate |
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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
- Female: Ovary Development Movie - MP4 movie | External Genital Movie - MP4 movie | Internal Genital Movie - MP4 movie | Ovary Development | Uterus Development | Vagina Development | Movies
- Male: Testis Development Movie - MP4 movie | External Genital Movie - MP4 movie | Testis Descent Movie - MP4 movie | Penis Development | Testis Development | AMH |Movies