Medical Dictionary

vertebral artery


Medical Definition of vertebral artery

  1. :  a large branch of the subclavian artery that ascends through the foramina in the transverse processes of each of the cervical vertebrae except the last one or two, enters the cranium through the foramen magnum, and unites with the corresponding artery of the opposite side to form the basilar artery

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a rounded knoll or a ridge of ice

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