coronary sinus

noun

, Anatomy.

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

Word History and Origins

Origin of coronary sinus¹

First recorded in 1825–35

Example Sentences

The left part of the sinus venosus, which does not enlarge at the same rate as the right part, remains as the coronary sinus.

From Project Gutenberg