Anatomy Of The Right Atrium. Learn about our medical review board. It is composed internally of pectinate muscles, a rough muscular wall.
How to describe the function of the right atrium Quora from www.quora.com
The coronary sinus is located on the heart’s posterior (behind) surface and is positioned between the left ventricle and the left atrium. It is also an excellent echocardiographic window in infants and children. The right atrium forms the entire right border of the human heart.