Where is the Noncoronary sinus?

In human beings, the noncoronary sinus is usually the largest of the 3 coronary sinuses. In the porcine aortic root, the right coronary sinus is the largest and has, at its base, a well-developed ventricular muscle bar.

Where are the sinuses of Valsalva located?

The sinuses of Valsalva, also known as aortic sinuses, are the anatomic spaces at the aortic root bounded internally by the aortic valve leaflets and externally by outward bulges of the aortic wall.

What is the coronary sinus?

The coronary sinus is the major venous tributary of the greater cardiac venous system; it is responsible for draining most of the deoxygenated blood leaving the myocardium.

Which is the correct definition of the aortic sinus?

aortic sinus. Etymology: Gk, aeirein, to raise; L, sinus, little hollow. any of three dilations, one anterior and two posterior, between the aortic wall and the semilunar cusps of the aortic valve. Also called Petit’s sinus, sinus of Morgagni, sinus of Valsalva.

Where does the left posterior aortic sinus occur?

Aorta laid open to show the semilunar valves. An aortic sinus is one of the anatomic dilations of the ascending aorta, which occurs just above the aortic valve. These widenings are between the wall of the aorta and each of the three cusps of the aortic valve. The left posterior aortic sinus gives rise to…

When do you find out you have aortic sinus?

This is often only discovered when a heart attack has already occurred, usually before the age of 20 and during exercise. Each aortic sinus can also be referred to as the sinus of Valsalva, the sinus of Morgagni, the sinus of Mehta, the sinus of Otto, or Petit’s sinus .

What does Valsalva test mean for aortic sinus?

Valsalva sinus – the space between the superior aspect of each cusp of the aortic valve and the dilated portion of the wall of the ascending aorta. Valsalva test – when the heart is monitored during the Valsalva maneuver, there is a characteristic complex sequence of cardiocirculatory events, departure from which indicates disease or malfunction.