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 of coronary sinus
First recorded in 1825–35
Words nearby coronary sinus
Medical definitions for coronary sinus
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.