sphincter vesicae

(redirected from musculus sphincter vesicae)
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in·ter·nal u·re·thral sphinc·ter

[TA]
the complete collar of smooth muscle cells of the neck of the urinary bladder that extends distally to surround the preprostatic portion of the male urethra. There is no comparable structure in the neck of the female bladder; the internal urethral sphincter may exist to prevent reflux of semen into the bladder.
Farlex Partner Medical Dictionary © Farlex 2012

sphinc·ter ve·si·cae

(sfingk'tĕr vĕ-sī'sē)
The complete collar of smooth muscle cells of the neck of the urinary bladder that extends distally to surround the preprostatic portion of the male urethra. There is no comparable structure in the neck of the female bladder; the internal urethral sphincter may exist to prevent reflux of semen into the bladder.
Synonym(s): musculus sphincter vesicae [TA] .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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