引
言
颈内动脉走行于颞骨岩部颈动脉管内的部分称为颈内动脉岩段,颈内动脉出颈动脉管内口后,走行于破裂孔上方的部分称为颈内动脉破裂孔段。现将两段的解剖,结合脑血管造影的特点,介绍如下。
一、颈动脉管
颈动脉管(carotid canal)位于颞骨岩部内,是颈内动脉颈颅底进入颅内的通道。颈动脉管开始于颞骨颅底的下表面的颈动脉管外口(也称为颈动脉孔,carotid foramen),在颞骨内先向上走行,再弯曲向内上走行。颈动脉管的颅内的出口临近破裂孔。颈动脉管内除了走行的颈内动脉,还有静脉丛和环绕颈内动脉的交感神经。
二、破裂孔
三、岩段和破裂孔段的命名
四、颈内动脉岩段
五、颈内动脉破裂孔段
六、岩段和破裂孔段的分支
(一)颈鼓室动脉
(二)翼管动脉
(三)骨膜支
作者简介
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即日起“神经介入资讯”更名为“神介资讯”
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