椎动脉起于锁骨下动脉第一段上壁，发出后穿经第6颈椎以上的横突孔，在寰椎侧块后方向内侧弯曲，穿经枕骨大孔进入颅腔，在脑桥下缘，与对侧椎动脉联合形成基底动脉。偶尔它可在第5、4或第7颈椎进入横突孔。椎动脉第1段在颈长肌和前斜角肌之间向后上行，在颈总动脉和椎静脉后方与甲状腺下动脉相交叉。
1、 椎动脉（vertebral artery）：向上穿行第 6 至第 1 颈椎横突孔，经枕骨大孔 入颅，汇合成基底动脉，末端为左右大脑后动脉，参与颅底动脉环。
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...椎动脉；超声多普勒；血流动力学。 [gap=1108]KEY WORDS】：Xiyunting(Herbal medicine); Meniere's Syndrome; Staggers; Arteria vertebralis; Supersonic Doppler; Blood stream dynamics ...
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椎动脉损伤 Injury of vertebral artery ; vertebral artery injury
右椎动脉 RVA ; right vertebral artery
椎动脉型颈椎病 Vertebral artery type cervical spondylopathy ; cervical spondylosis of Vertebral Artery type ; cervical spondylotic arteriopathy ; CSA
左椎动脉 LVA ; left vertebral artery
椎动脉超声 vertebral artery ultrasonography
左侧椎动脉 LVA ; left vertebral artery ; left vertebroarterial artery
闭合性椎动脉损伤 Closed vertebral artery injury ; blunt vertebral artery injury
椎动脉造影 vertebral angiography ; vertebral arteriography
The MRA showed two of the 13 patients suffered from the narrowing of vertebral artery.
13例患者MRA显示有2例椎动脉狭窄。
参考来源 - SPECT脑灌注显象在椎基底动脉供血不足的临床研究·2,447,543篇论文数据，部分数据来源于NoteExpress
椎动脉和甲状颈干的来源相似。
The origin of the vertebral artery the thyrocervical trunk is very similar.
椎动脉，颈干和乳内动脉的起源非常恒定。
The origin of the vertebral artery, the thyrocervical trunk and the internal mammary artery is very constant.
颈椎MRI椎动脉造影可显示寰椎侧移和旋转对椎动脉的影响；
The cervical MRI vertebral arteriography could display the effect of side displacement and rotation of lateral masses of atlas on vertebral artery.
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