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communicating artery

communicating artery in Medicine

communicating artery com·mu·ni·cat·ing artery (kə-myōō'nĭ-kā'tĭng)
n.

  1. An artery that connects two larger arteries.

  2. A short artery joining the two anterior cerebral arteries and completing anteriorly the circle of Willis; anterior communicating artery.

  3. An artery with origin in the internal carotid artery, with distribution to the optic tract, cerebral peduncle, and hippocampal gyrus; and with anastomoses with the posterior cerebral artery to form the circle of Willis; posterior communicating artery.

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