Jerarquía anatómica

Anatomia general > Sistema cardiovascular > Corazón > Ventrículo derecho > Orificio atriventricular derecho

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Descripción

The right atrioventricular orifice is the large oval aperture of communication between the right atrium and ventricle.

Situated at the base of the ventricle, it measures about 4 cm. in diameter and is surrounded by a fibrous ring, covered by the lining membrane of the heart; it is considerably larger than the corresponding aperture on the left side, being sufficient to admit the ends of four fingers. It is guarded by the tricuspid 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 http://www.bartleby.com/107/).

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