Spina vestibuli
Encyclopedia
Below the opening of the orifice of the coronary sinus
they fuse to form a triangular thickening—the spina vestibuli.
Coronary sinus
The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the myocardium of the heart. It is present in all mammals, including humans...
they fuse to form a triangular thickening—the spina vestibuli.