Trigone Development Movie: Difference between revisions

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Embryology - 23 Apr 2024 Expand to Translate
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<html5media height="380" width="500">File:Trigone_001.mp4</html5media>

Click Here to play on mobile device

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 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]

This animation shows early renal system development associated with the urinary bladder.
dorsal view (from behind) showing the mesonephric ducts initially attached to the bladder
with time the incorporation of the developing ureters into this dorsal and superior region.

Trigone Links: MP4 movie | Bladder Development | Renal Development

↑ <pubmed>19914648</pubmed>
↑ <pubmed>24992712</pubmed>

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Cite this page: Hill, M.A. (2024, April 23) Embryology Trigone Development Movie. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Trigone_Development_Movie

What Links Here?

[PMID19914648-1] <pubmed>19914648</pubmed>

[PMID24992712-2] <pubmed>24992712</pubmed>

[1]

[2]

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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 region is endodermal and not from the mesodermal in origin.<ref name="PMID19914648"><pubmed>19914648</pubmed></ref> ~~Uniquely~~ this trigone region ~~in the embryo~~ 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 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>