filling internal urethral orifice
(redirected from ostium urethrae internum accipiens)filling internal urethral orifice
[TA]the internal urethral orifice after the bladder begins to be distended by urine, when the trigonal muscles are contracted and the detrusor muscle is relaxed; during this stage the orifice occurs at a higher level and is bounded by a different portion of the mucosa than during voiding.
See also: voiding internal urethral orifice.
See also: voiding internal urethral orifice.
Synonym(s): ostium urethrae internum accipiens [TA]
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