节制索(moderator band)也称为隔缘肉柱(septomarginal trabecula)是右心室内由前乳头肌根部横过室腔到室间隔下部的一条肌束。[1][2][3]
功能
节制索很重要,因为它将房室束(atrioventricular bundle)的右束支的一部分带到前乳头肌。这种穿越心室腔的捷径确保了左右两心室的传导时间相等,从而使前乳头肌协调收缩[4]。
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节制索(moderator band)的位置
参考
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