Archives for April 2024

The left semilunar leaflet is another pulmonary valve leaflet. It is named based on its position relative to the other leaflets.

The right semilunar leaflet is one of the three pulmonary valve leaflets. It is named based on its position relative to the other leaflets.

The opening of the pulmonary trunk is the passage through which blood flows from the right ventricle into the pulmonary artery during ventricular systole.

The pulmonary valve is one of the four valves of the heart and is positioned between the right ventricle and the pulmonary artery. Positioned at the top of the conus arteriosus, it is surrounded by the right ventricular myocardium

Aortic sinuses are dilated spaces located behind each leaflet of the aortic valve. Also known as sinuses of Valsalva, they are composed primarily of elastic tissue and serve various functions. There are three aortic sinuses: the right coronary aortic sinus, the left coronary aortic sinus, and the noncoronary aortic sinus.