Urethral orifice can refer to:
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Urethral orifice can refer to:
- External urethral orifice
External urethral orifice can refer to:* External urethral orifice * External urethral orifice...
- Internal urethral orifice
The internal urethral orifice is the opening of the urinary bladder into the urethra. It is placed at the apex of the trigonum vesicae, in the most dependent part of the bladder, and is usually somewhat crescent-shaped; the mucous membrane immediately behind it presents a slight elevation in males,...