Internal sphincter muscle of urethra

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Internal sphincter muscle of urethra
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Coronal section of anterior part of pelvis, through the pubic arch. Seen from in front. (Region visible, but muscle not labeled.)
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Urinary bladder (Region visible, but muscle not labeled.)
Latin musculus sphincter urethrae internus
Origin
Insertion   
Artery:
Nerve: vesical nerve
Action:
Dorlands
/Elsevier
m_22/13540450

The internal sphincter muscle of urethra is a muscle which constricts the internal urethral orifice in males.



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