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femoral canal
anat.
股管
(股鞘内侧份一漏斗状筋膜管,长1.0~1.5 cm。 前壁为腹股沟韧带、隐静脉裂孔镰状缘的上端和筛筋膜,后壁为耻骨梳韧带、耻骨肌及其筋膜,内侧壁为股鞘内侧壁和腔隙韧带,外侧壁为股静脉内侧的纤维隔。股管下端为盲端,上口称股环。股管内有1〜2个腹股沟深淋巴结。股管隔股环隔、腹膜外组织和腹膜与腹膜腔相邻。腹压增高时,腹腔的大网膜或小肠可被推向股凹,继而经股环至股管,甚至从隐静脉裂孔处突出,形成股疝。由于女性骨盆较宽广,腔隙韧带较薄弱,故股环宽大而松弛,股疝多发生于中年妇女)
surg.
股管
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