Some fibers of the leator ani (leator urethrae, pubourethralis) surround the proximal urethra and the apex of the prostate and insert into the perineal body in the midline posteriorly (Myers, 1991).

 
  • 提肛肌的部分纤维环绕着近端尿道和前列腺尖部,并在后正中方向汇入会阴体。
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