Valve of inferior vena cava (Eustachian valve) - Valvula venae cavae inferioris


Anatomical hierarchy

General Anatomy > Cardiovascular system > Heart > Right atrium > Valve of inferior vena cava (Eustachian valve)



The inferior vena cava, larger than the superior, returns the blood from the lower half of the body, and opens into the lowest part of the atrium, near the atrial septum, its orifice (Opening of inferior vena cava) being directed upward and backward, and guarded by a rudimentary valve, the valve of the inferior vena cava (Eustachian 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