Vertebral artery definitions

Vertebral artery

The vertebral arteries are major arteries of the neck. They branch from the subclavian arteries and merge to form the single midline basilar artery in a complex called the vertebrobasilar system, which supplies blood to the posterior part of the circle of Willis and thus significant portions of the brain. ==Course== The vertebral arteries arise fr...
Found on http://en.wikipedia.org/wiki/Vertebral_artery

vertebral artery

(from the article `human cardiovascular system`) The two vertebral arteries, one arising as a branch of the innominate and the other as a branch of the left subclavian artery, unite at the base of ...
Found on http://www.britannica.com/eb/a-z/v/17

vertebral artery

<anatomy, artery> Paired arteries which supply the muscles of the neck, spinal cord and cerebellum. ... (27 Sep 1997) ...
Found on http://www.encyclo.co.uk/local/20973

vertebral artery

origin, subclavian artery; it is divided into four parts: first or prevertebral part,second or cervical part,third or atlantal part, and fourth or intracranial part;branches, (cervical part) spinal and muscular branches; (intracranial part) anterior spinal artery and posterior inferior cerebellar artery and its branches, mening...
Found on http://www.encyclo.co.uk/local/21001

vertebral artery

Originating at the subclavian artery, passing vertically through the transverse foramina of the vertebrae, and branching into the spinal and muscular rami, anterior spinal artery, and posterior inferior cerebellar artery, before joining with the opposite side to form the basilar artery.
Found on http://www.encyclo.co.uk/local/21447

vertebral artery

Type: Term Definitions: 1. the first branch of the subclavian artery; for descriptive purposes, divided into four parts, designated V₁ to V₄: 1) prevertebral part, the portion before it enters the foramen of the transverse process of the sixth cervical vertebra; 2) cervical part, the portion in the tran...
Found on http://www.medilexicon.com/medicaldictionary.php?t=7529