Search results
Results From The WOW.Com Content Network
The valve of the coronary sinus is a thin, semilunar (half-moon-shaped) valve located on the anteroinferior part of the opening into the right atrium. [5] It is formed by a semicircular fold of the lining membrane of the right atrium. It is situated at the base of the inferior vena cava. [citation needed]
The coronary sinus commences at the union of the great cardiac vein, and the oblique vein of the left atrium. [1] [3] [4] The origin of the coronary sinus is marked by the Vieussens valve of the coronary sinus which is situated at the endpoint of the great cardiac vein. [1]
The Vieussens valve of the coronary sinus is a prominent [1] valve at the end of the great cardiac vein, marking the commencement of the coronary sinus. [2] [1] It is often a flimsy valve composed of one to three leaflets. It is present in 80-90% of individuals.
The function of the right heart, is to collect de-oxygenated blood, in the right atrium, from the body via the superior vena cava, inferior vena cava and from the coronary sinus and pump it, through the tricuspid valve, via the right ventricle, through the semilunar pulmonary valve and into the pulmonary artery in the pulmonary circulation ...
It is an anatomical area located at the base of the right atrium, and its boundaries are the coronary sinus orifice, tendon of Todaro, and the septal leaflet of the right atrioventricular valve (also known as the tricuspid valve). [2] It is anatomically significant because the atrioventricular node is located at the apex of the triangle. The ...
The great cardiac vein (left coronary vein) is a vein of the heart. It begins at the apex of the heart and ascends along the anterior interventricular sulcus [ 1 ] before joining the oblique vein of the left atrium to form the coronary sinus [ 2 ] upon the posterior surface of the heart.
The mitral valve is also called the bicuspid valve because it contains two leaflets or cusps. The mitral valve gets its name from the resemblance to a bishop 's mitre (a type of hat). It is on the left side of the heart and allows the blood to flow from the left atrium into the left ventricle .
The junction of the sinuses with the aorta is called the sinotubular junction. The aortic valve is located posterior to the pulmonary valve and the commissure where the anterior two cusps join together points toward the pulmonary valve. It is these two sinuses that contain the origin of the coronary arteries.