coronary sinus

noun

Definition of coronary sinus 

: a venous channel that is derived from the sinus venosus, is continuous with the largest of the cardiac veins, receives most of the blood from the walls of the heart, and empties into the right atrium

First Known Use of coronary sinus

1831, in the meaning defined above

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The first known use of coronary sinus was in 1831

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coronary sinus

noun

Medical Definition of coronary sinus 

: a venous channel that is derived from the sinus venosus, is continuous with the largest of the cardiac veins, receives most of the blood from the walls of the heart, and empties into the right atrium

More from Merriam-Webster on coronary sinus

Britannica.com: Encyclopedia article about coronary sinus

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