The vertebral artery is divided into four segments (V1–V4; Figure 1). The V1 segment originates at the subclavian artery and extends to the transverse foramina of either the fifth or sixth ...

Both the proximal and the distal segments of the extracranial vertebral artery are mobile; the artery is anchored at its origin, within the cervical spinal column, and at the point at which it ...

The vertical dimensions of spinal cord infarction may range from one to 15 segments ... spinal artery territory. 10 On the other hand the discordance of spinal cord and vertebral body signal ...

Although no blood flow was supplied from the bilateral VAs, the basilar artery was not occluded because ... The bilateral VAs from C3 level to the intradural segments are shown in Figure 1C.

Vertebral artery stenosis is a major cause of posterior circulation ischemia in the elderly. There is not a clear consensus on the optimal therapeutic approach for symptomatic extracranial vertebral ...

(HealthDay) -- For postoperative patients with adolescent idiopathic scoliosis (AIS), preservation of vertebral motion segments allows for greater distribution of functional motion, according to a ...