Right atrium

Synonym Atrium dextrumThe right atrium is one of the four inner chambers of the heart, which is connected to the large circulation. In it, blood flows in through the vena cava and is passed on to the right ventricle. Anatomy The right atrium is spherical and has the right auricle on the front. The heart … Right atrium

Histology – Wall layers | Right atrium

Histology – Wall layers Like the other internal spaces of the heart, the wall of the right atrium consists of three layers: Endocardium:The endocardium forms the innermost layer and consists of a single-layer endothelium. The function of the endocardium is to improve the flow properties of the blood. Myocardium:The myocardium is the actual heart muscle … Histology – Wall layers | Right atrium