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作者在解剖一具50岁左右的男尸时,发现主动脉弓有4支分支及左甲状颈干与左胸廓内动脉共干;主动脉弓上4支从右向左分别是头臂干、左颈总动脉、左椎动脉和左锁骨下动脉(图1)。现报道如下:左椎动脉起于主动脉弓上壁。于左颈总动脉与左锁骨下动脉之间上行,然后沿着左颈总动脉后外侧和左迷走神经之间,在前斜角肌的表面上行至第2颈椎穿横突孔。左椎动脉从起始至第
When dissecting a male corpse of about 50 years old, the author found that there were 4 branches of the aortic arch and the left thyroid neck and the left internal thoracic artery. From the right atrium to the left of the aorta, 4 were the brachiocephalic trunk and left common carotid artery , Left vertebral artery and left subclavian artery (Figure 1). Are reported as follows: Left vertebral artery from the aortic arch on the wall. Between the left common carotid artery and the left subclavian artery, and then along the posterior left common carotid artery between the posterolateral and left vagus nerve on the surface of the anterior scalene muscle up to the 2nd cervical cross puncture. Left vertebral artery from the beginning to the end