Torus aoicus is an impression in the cavity of?
Torus aoicus is a bulge in the right atrial wall anterosuperiorly above the membranous septum. It is superior to the coronary sinus and anterior to the fossa ovalis. It represents the deeper and anterior surface of the posterior sinus and cusp of the aoic valve.
Right atrium
Left atrium
Right ventricle
Left ventricle