Testis Development Movie: Difference between revisions
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| width=380px|< | | width=380px|<html5media height="650" width="350">File:Testis 001.mp4</html5media> | ||
| valign="top" |[[File:Gonad-icon.jpg| | [[Media:Testis 001.mp4|'''Click Here''' to play on mobile device]] | ||
| valign="top" |[[File:Gonad-icon.jpg|200px|right]] | |||
==Testis and Ductus Deferens Development== | |||
This animation shows the process of early testis and ductus deferens (vas deferens) development. | This animation shows the process of early testis and ductus deferens (vas deferens) development. | ||
* | * <font color=red>'''Paramesonephric duct'''</font> (red left, Müllerian duct) degenerates under the influence of [[Developmental Signals - Anti-Mullerian Hormone|Anti-Müllerian hormone]] (AMH) secreted by sertoli cells (differentiated by SRY expression). | ||
* | * <font color=darkmagenta>'''Mesonephric duct'''</font> (purple, Wolffian duct) differentiates under the influence of testosterone secreted by Leydig cells. Within the testes these mesonephric tubules grow towards the medullary sex cords and will form the rete teste. The mesonephric duct extending out of the gonad forms the ductus deferens. | ||
* | * <font color=orange>'''Medullary sex cords'''</font> (orange) form testis cords. | ||
** these later differentiate into solid seminiferous tubules that during puberty become hollow and actively produce spermatozoa. | ** these later differentiate into solid seminiferous tubules that during puberty become hollow and actively produce spermatozoa. | ||
* The surrounding connective tissue (pink) differentiates to form stromal cells. | * The surrounding connective tissue (pink) differentiates to form stromal cells. | ||
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Compare this animation with that for [[ | Compare this animation with that for [[Ovary_Development_Movie|ovary development animation]]. | ||
Embryonically, both gonads (testis and ovary) and internal genital tracts (ductus deferens and uterus) begin with the same basic elements that have divergent pathways under the initial influence of the sex chromosomes (Y and X). | Embryonically, both gonads (testis and ovary) and internal genital tracts (ductus deferens and uterus) begin with the same basic elements that have divergent pathways under the initial influence of the sex chromosomes (Y and X). | ||
{{Gonad movie links}} | |||
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{{Genital Links}} | |||
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| [[File:Testis histology 02.jpg|200px]] | |||
Testis histology | |||
| [[File:Historic-testis.jpg|200px]] | |||
Testis historic drawing | |||
| Note these 2 images are anatomically the mirror image of the above animation. | |||
|} | |||
[[Category:Genital]] [[Category:Testis]] | [[Category:Genital]] [[Category:Testis]] | ||
{{Movie footer}} |
Latest revision as of 09:51, 8 March 2018
Embryology - 20 Apr 2024 Expand to Translate |
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<html5media height="650" width="350">File:Testis 001.mp4</html5media> |
Testis and Ductus Deferens DevelopmentThis animation shows the process of early testis and ductus deferens (vas deferens) development.
Embryonically, both gonads (testis and ovary) and internal genital tracts (ductus deferens and uterus) begin with the same basic elements that have divergent pathways under the initial influence of the sex chromosomes (Y and X).
|
Testis histology |
Testis historic drawing |
Note these 2 images are anatomically the mirror image of the above animation. |
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Cite this page: Hill, M.A. (2024, April 20) Embryology Testis Development Movie. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Testis_Development_Movie
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G