Does the mitral valve separate the right atrium from the right ventricle?

Answer 1

The right atrioventricular valve (or right AV valve), also called the tricuspid valve, (for its three leafletlobes) controls the flow of blood between the right atrium and right ventricle. (The opening itself is the "right atrioventricular canal.") It prevents dexoygenated blood from regurgitating back into the right atrium. The vale is called "tricuspid" because of its three leaflets; it must be noted however, that the tricuspid valve can contain between two and four leaflets.

Answer 2

There are no valves between the atria; only the interatrial septum separates the upper chambers from each other. They are not connected in any way. However there are several different valves in the heart:

-Tricuspid valve which separates the right atrium from the right ventricle

-Pulmonary valve which separates the right ventricle from the pulmonary artery

and prevents back flow of deoxygenated blood

-Mitral or the Bicuspid Valve which separates left atrium from the left ventricle

-Aortic Valve separates the aorta from the left ventricle, and also prevents back

flow.

Answer 3

There is normally no valve between the right and left atrium after birth.
In the fetal heart, the foramen ovale allows blood to enter the left atrium from the right atrium.
It is one of two fetal cardiac shunts, the other being the ductus arteriosus (which allows blood that still escapes to the right ventricle to bypass the pulmonary circulation).
Another similar adaptation in the fetus is the ductus venosus. In most individuals, the foramen ovale closes at birth.

Answer 4

There is an opening not a valve between the left and right atrium but only in the fetus. It is called the foramen ovale. This, with another shunt, bypassed the lungs. When the fetus is born, this normally shuts or closes over.

Answer 5

The mitral valve separates the left atrium from the left ventricle. The tricuspid valve has the analogous function on the right side of the heart.