Trigone Development Movie: Difference between revisions
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The dorsal bladder region bounded by the 2 ureters and the urethra form the region known as the trigone. The classical embryology description of the origin of this region was from the mesonephric duct (Wolffian duct), as shown in this animation. More recent mouse studies suggest that this bladder region is endodermal and not from the mesodermal in origin.<ref name="PMID19914648"><pubmed>19914648</pubmed></ref> Using a similar mouse model, this trigone embryonic region appears to contain most of the bladder progenitor cells.<ref name="PMID24992712"><pubmed>24992712</pubmed></ref> | The dorsal bladder region bounded by the 2 ureters and the urethra form the region known as the trigone. The classical embryology description of the origin of this region was from the mesonephric duct (Wolffian duct), as shown in this animation. More recent mouse studies suggest that this bladder region is endodermal and not from the mesodermal in origin.<ref name="PMID19914648"><pubmed>19914648</pubmed></ref> Using a similar mouse model, this trigone embryonic region appears to contain most of the bladder progenitor cells.<ref name="PMID24992712"><pubmed>24992712</pubmed></ref> | ||
In contrast, the prostatic central zone, seminal vesicle, and ejaculatory ducts all originate from the mesonephric duct (Wolffian duct) | In contrast, the prostatic central zone, seminal vesicle, and ejaculatory ducts all originate from the mesonephric duct (Wolffian duct).<ref name="PMID20413145"><pubmed>20413145</pubmed></ref> | ||
* This animation shows early renal system development associated with the urinary bladder. | * This simple animation shows early renal system development associated with the urinary bladder. | ||
* dorsal view (from behind) showing the mesonephric ducts initially attached to the bladder | * dorsal view (from behind) showing the mesonephric ducts initially attached to the bladder | ||
Revision as of 21:18, 9 June 2015
Embryology - 25 Apr 2024 Expand to Translate |
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<html5media height="380" width="500">File:Trigone_001.mp4</html5media> | Development of the Trigone Region of the Urinary Bladder
The dorsal bladder region bounded by the 2 ureters and the urethra form the region known as the trigone. The classical embryology description of the origin of this region was from the mesonephric duct (Wolffian duct), as shown in this animation. More recent mouse studies suggest that this bladder region is endodermal and not from the mesodermal in origin.[1] Using a similar mouse model, this trigone embryonic region appears to contain most of the bladder progenitor cells.[2] In contrast, the prostatic central zone, seminal vesicle, and ejaculatory ducts all originate from the mesonephric duct (Wolffian duct).[3]
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Cite this page: Hill, M.A. (2024, April 25) Embryology Trigone Development Movie. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Trigone_Development_Movie
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G