FMA definition : Cardiac vein, each instance of which is a a tributary of some coronary sinus that
collects blood from some right atrium and ventricle, and follows the coronary sulcus
before draining into it.;
Cardiac vein, each instance of which is a a tributary of some coronary sinus that
collects blood from some right atrium and ventricle, and follows the coronary sulcus
before draining into it.