Vertebral arteries of 40 corpses were calibrated.
③测量40具尸体椎动脉管径。
The morphological characters in the beginning parts of the vertebral arteries were observed in 90 cases (45 cadavers).
本文观察90例（45具尸体）椎动脉起始部的形态学特点。
Conclusion 3d-cta can distinctly display the whole course of the vertebral arteries and show its anatomical relationships with vertebrae.
结论3d -CTA能清晰显示椎动脉走行全程，同时可以观察与椎骨的解剖关系。
The proximal internal carotid arteries (35.5%) and the proximal vertebral arteries (28.2%) were the most frequently involved in this series.
血管病变部位以颈内动脉起始处（35.5%）及椎动脉起始处（28.2%）常见。
Method Skull MRI and bilateral vertebral arteries ultrasound were undertaken in 30 patients with brain stem infarction without located sign.
方法对30例无定位体征脑干梗塞患者行头颅MRI及双侧椎动脉超声检查，前者观察其梗塞部位、数量、大小；
Objective: to observe the morphological pattern of collateral anastomoses of extracranial vertebral arteries and discuss its clinical significance.
目的：观察椎动脉颅外段的侧支吻合情况，并探讨其临床意义。
Results in 12 asymptomatic patients, 1 vertebral artery with developmental anomaly, 1 with coiling, the rest vertebral arteries and basilar arteries were normal.
结果12例无症状患者中椎动脉发育异常1例，迂曲1例，其他椎动脉及基底动脉无异常。
Results Preoperative MRI revealed that the big twisted vertebral arteries (VA) deviated to the affected side, and even the contralateral VA moved to the affected side.
结果术前MRI显示粗大扭曲的椎动脉(VA)偏向患侧，甚至对侧va也移位至患侧。
Method: 1000 healthy person's both side of vertebral arteries were measured by Doppler ultrasonographic instrument and the result of it was calculated with SAS statistical analysis software.
方法：应用超声多普勒诊断仪检测1000例健康人双侧椎动脉，用SAS统计分析软件计算。
Because of the close anatomical relationship between the vertebral arteries and the cervical spine, chiropractic manipulation or neck rotation may traumatize the vertebral arteries in the neck.
因为椎动脉和颈椎的解剖关系密切，按摩或者颈部旋转可以损伤椎动脉。
Arterial supply is usually through meningeal branches of the external carotid, internal carotid, and vertebral arteries. Drainage is via dural venous sinuses or other dural or leptomeningeal channels.
动脉血供一般是通过颈外动脉、颈内动脉及椎动脉的脑膜分支，分流是经由硬膜静脉窦或其他的硬膜或软脑膜血供。
Objective To investigate the effects of unequal vertebral artery(VA) blood flow on the pontine or cerebellar infarcts between the basilar artery(BA) curvature and the vertebrobasilar arteries.
目的探讨椎动脉优势对基底动脉弯曲及椎基底动脉连接部位脑桥和小脑梗死的影响。
The arteries of the anteromedian and anterolateral groups arose from the anterior spinal artery, and also from the vertebral artery and basilar artery.
前正中群和前外侧群动脉主要来自脊髓前动脉，前正中群动脉供应舌下神经核、内侧丘系及部分锥体束等中缝两侧结构；
The nutrient arteries of each vertebral body form 3 groups, two of which enter the body through its right and left anterolateral aspects respectively.
每个胸椎体的营养动脉共分三群：二群分别由椎骨体左右前外侧面进入。
Decreased velocity (23.8%) were detected mainly in the vertebral-basilar arteries.
血流速度减低者占23.8%，受累动脉以椎基底动脉为主。
Decreased velocity (23.8%) were detected mainly in the vertebral-basilar arteries.
血流速度减低者占23.8%，受累动脉以椎基底动脉为主。
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