Orifice of ureter

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Orifice of ureter
Illu bladder.jpg
Urinary bladder
The interior of bladder.
Latin ostium ureteris
Gray's subject #255 1232
Dorlands/Elsevier o_09/12602077

The orifices of the ureters are placed at the postero-lateral angles of the trigonum vesicae, and are usually slit-like in form.

In the contracted bladder they are about 2.5 cm. apart and about the same distance from the internal urethral orifice; in the distended viscus these measurements may be increased to about 5 cm.

Additional images

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.