Guarding this opening is the coronary valve or valve of Thebesius.
It terminates in the coronary cushion and the sensitive laminæ.
Attention should then be given to the flap of skin and coronary cushion.
In these cases the coronary arteries share in the generalized arteriosclerotic process.
In many cases sclerosis of the coronary arteries as a part of general arteriosclerosis has been found.
In regard to the liability to arteriosclerosis, this area stands second only to the aortic and coronary areas.
In such cases the anastomosis between branches of the coronary arteries is unusually free.
Except for symptoms on the part of the heart there is no way to make the diagnosis of sclerosis of the coronary arteries.
Here, at the root of the aorta, are the openings of the coronary arteries and the arteries supplying the brain are close by.
In one case Powell90 found a small aneurism of the coronary artery in an ulcer of the lesser curvature of the stomach.