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cerebral artery

 - 2 dictionary results
Medical Dictionary

Main Entry: cerebral artery
Function: noun
: any of the arteries supplying the cerebral cortex: a : an artery that arises from the internal carotidartery, forms the anterior portion of the circle of Willis where it is linked to the artery on the opposite side by the anterior communicating artery, and passes on to supply the medial surfaces of thecerebrum called also anterior cerebral artery b : an artery that arises from the internal carotid artery, passes along the lateral fissure, and supplies the lateral surfaces ofthe cerebral cortex called also middle cerebral artery c : an artery that arises by the terminal forking of the basilar artery where it forms the posterior portion of the circleof Willis and passes on to supply the lower surfaces of the temporal and occipital lobes called also posterior cerebral artery
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

cerebral artery n.

  1. An artery that is one of two terminal branches of the internal carotid artery, divided into two parts and supplying the branches to the thalamus and corpus striatum and to the cortex of the medial parts of the frontal and parietal lobes.

  2. An artery that is one of two terminal branches of the internal carotid artery, divided into three parts and supplying the perforating branches to the internal capsule, thalamus, and corpus striatum, the insula and adjacent cortical areas, and a large part of the central cortical convexity.

  3. An artery that is formed by a bifurcation of the basilar artery and is divided into three parts supplying part of the thalamus and hypothalamus, the thalamus, cerebral peduncles, and choroid plexuses of the lateral and third ventricles, and the cortex of the temporal and occipital lobes.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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