coronary-sinus

coronary sinus

noun Anatomy.
a large venous channel in the heart wall that receives blood via the coronary veins and empties into the right atrium.

Origin:
1825–35

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

coronary sinus n.
A short trunk receiving most of the veins of the heart, running in the posterior part of the coronary sulcus and emptying into the right atrium between the inferior vena cava and the atrioventricular orifice.

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