Anatomical hierarchy

General Anatomy > Cardiovascular system > Heart > Right atrium > Opening of superior vena cava



The superior vena cava returns the blood from the upper half of the body, and opens into the upper and back part of the atrium, the direction of its orifice (Opening of superior vena cava) being downward and forward. Its opening has no valve.

This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from


Download e-Anatomy

Mobile and tablet users, you can download e-Anatomy on Appstore or GooglePlay.

e-Anatomy on Appstore e-Anatomy on Googleplay