The left atrioventricular orifice (left atrioventricular opening or mitral orifice) is placed below and to the left of the
aortic orifice.
It is a little smaller than the corresponding aperture of the opposite side.
It is surrounded by a dense
fibrous ring, covered by the lining membrane of the
heart
The heart is a muscular Organ (biology), organ found in humans and other animals. This organ pumps blood through the blood vessels. The heart and blood vessels together make the circulatory system. The pumped blood carries oxygen and nutrie ...
, and is reguarded as the bicuspid or
mitral valve
The mitral valve ( ), also known as the bicuspid valve or left atrioventricular valve, is one of the four heart valves. It has two Cusps of heart valves, cusps or flaps and lies between the atrium (heart), left atrium and the ventricle (heart), ...
.
References
External links
Cardiac anatomy
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