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filling internal urethral orifice


Definition: 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.

Synonym(s): ostium urethrae internum accipiensTA

See Also: voiding internal urethral orifice

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.