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coronary artery

noun, Anatomy
1.
either of two arteries that originate in the aorta and supply the heart muscle with blood.
Origin of coronary artery
1735-1745
1735-45; so called from its crownlike envelopment of the heart
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for coronary artery

coronary artery

noun
1.
either of two arteries branching from the aorta and supplying blood to the heart
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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coronary artery in Medicine

coronary artery n.

  1. An artery with origin in the right aortic sinus; with distribution to the right side of the heart in the coronary sulcus, and with branches to the right atrium and ventricle, including the atrioventricular branches and posterior interventricular branch; right coronary artery.

  2. An artery with its origin in the left aortic sinus; with distribution into two major branches, the anterior interventricular, which descends in the anterior interventricular sulcus, and the circumflex branch, which passes to the diaphragmatic surface of the left ventricle, and with the atrial, ventricular, and atrioventricular branches; left coronary 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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coronary artery in Science
coronary artery  
Either of two arteries that originate in the aorta and supply blood to the muscular tissue of the heart.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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