The external urethral sphincter is one of the muscles of the pelvic floor, and it provides support to the urethra and bladder neck.
尿道外括约肌是一种盆底肌,它向尿道和膀胱颈提供支撑。
单词 | neck bladder |
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双语版 TED-Ed 演讲精选 The external urethral sphincter is one of the muscles of the pelvic floor, and it provides support to the urethra and bladder neck. 尿道外括约肌是一种盆底肌,它向尿道和膀胱颈提供支撑。 |
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