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本工作研究了40例国人脑桥Ⅴ、Ⅵ、Ⅶ、Ⅷ对颅神经根的营养动脉,发现所有的神经根都存在有营养动脉。三叉神经根的主要营养动脉为长旋动脉(80.00±6.32%,32侧)和小脑下前动脉(72.50±7.06%,29侧);展神经根的主要营养动脉为短旋动脉(62.50±7.65%,25侧);面神经根和位听神经根的主要营养动脉基本一致,都是小脑下前动脉(97.50±2.45%,39侧)。除主要的营养动脉外,尚有其它动脉来源的营养支,但不起主要供血作用。本文叙述了各个神经根营养动脉的组合形式,并对其临床意义作了讨论。
In this study, we studied the nutritional artery of cranial nerve root in 40 Chinese people’s pontine Ⅴ, Ⅵ, Ⅶ, Ⅷ and found that there are vegetative arteries in all nerve roots. The main vegetative arteries of the trigeminal nerve root were the long-spinous artery (80.00 ± 6.32%, 32 sides) and the anterior inferior cerebellar artery (72.50 ± 7.06%, 29 sides) %, 25 sides). The main nutrient arteries of facial nerve roots and the auditory nerve roots were basically the same, all of them were inferior anterior inferior cerebellar artery (97.50 ± 2.45%, 39 sides). In addition to the main vegetative artery, there are other arterial sources of nutritional support, but not the main blood supply. This article describes the various forms of nerve root nourishing artery combination, and its clinical implications are discussed.