Assertion: urethra's sphincter | /r/AtLocation | somatic control
Facets:
Source sentences:
text: The external urethral sphincter (sphincter urethrae) is under somatic control and is consciously relaxed (and thus opened) during micturition.
text: The external urethral sphincter (sphincter urethrae) is under somatic control and is consciously relaxed during micturition.