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perineal central tendon
anat.
会阴中心腱
(由肛提肌、肛门括约肌、球海绵体肌 (女性为阴道括约肌)、会阴浅横肌、会阴深横肌和尿道膜部括约肌 (女性为尿道阴道括约肌)等附着形成。 会阴中心腱为矢状位,呈楔形,尖向上,底朝下。男性位于肛门与阴茎根之间,女性位于肛门与阴道前庭后端之间,较男性发达。会阴中心腱有加强盆底和承托盆腔脏器的作用。 分娩时应注意保护会阴,避免会阴中心腱撕裂)
surg.
会阴中心腱
;
会阴体
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