Definitions for "VERTEBRAL ARTERY"
There are two large blood vessels that travel up the cervical spine to the brain. These provide blood to the top of the spinal cord and the back part of the brain..
the first branch of the subclavian artery; divided into four parts
Arteries, one on each side, that thread through holes in the six upper cervical vertebrae. Sudden rotation during neck manipulation can injure them and interrupt blood flow to the lower part of the brain, causing a stroke.