The mitral valve lies between the left atrium and left ventricle. Between the right atrium and the right ventricle is the tricuspid valve. The museum consisted of galleries rising around a central, skylighted atrium, above an iconic staircase. It is located at the junction of the superior vena cava and the right atrium. The bubbles are initially detected in the right atrium and right ventricle. The basilica was divided into two almost equal partsa spacious atrium and the main building. The building consists of a vault with three arches that face the atrium. The coronary veins all empty into the coronary sinus which empties into the right atrium. It was over long, and the entrance was preceded by a large colonnaded atrium. The WPA installed five busts in the circular wall of the atrium surrounding the sarcophagi. Its wall is thickest at the apex and thins towards its base at the atrium. The entrance is a four-story atrium. Atypical atrial flutter originating from the right atrium and heart's septum have also been described. Commerzbank Tower is shaped as a wide rounded equilateral triangle with a central, triangular atrium. There is a restaurant located in the atrium, The Oasis.