Last Updated:2025/11/22
(anatomy) The collective muscles used to control the flow of urine from the urinary bladder. These muscles surround the urethra, so that when they contract, the urethra is closed.
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urethral sphincter
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Source Word
urethral sphincter
Noun
Japanese Meaning
尿道括約筋:尿道を取り巻く筋肉群で、膀胱からの尿の流出を制御するために、収縮して尿道を閉じる機能を持つ解剖学的な構造。
( plural )