Right ventricle

Right Ventricle

The Right ventricle is one of the four chambers (two atria and two ventricles) in the human heart. It receives deoxygenated blood from the right atrium via the tricuspid valve, and pumps it into the pulmonary artery through the pulmonary valve and into the lungs for oxygenation.

Structure

The right ventricle is triangular in shape and extends from the tricuspid valve in the right atrium to near the apex of the heart. Its anterior surface is shaped by the sternocostal surface of the heart. Its posterior surface is shaped by the diaphragmatic surface of the heart that faces the diaphragm. The right ventricle is separated from the left ventricle by the interventricular septum, which is convex into the right ventricle.

Function

The primary function of the right ventricle is to pump deoxygenated blood to the lungs via the pulmonary artery. This process is known as pulmonary circulation. The right ventricle does not need to generate as much pressure as the left ventricle, because the lungs offer less resistance to blood flow than the systemic circulation.

Clinical significance

Diseases of the right ventricle are less common than those of the left ventricle. However, they can be serious. Conditions that affect the right ventricle include right ventricular hypertrophy, right ventricular outflow tract obstruction, and right ventricular failure.

See also

• Heart
• Cardiac ventricle
• Left ventricle
• Pulmonary circulation

References

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Right ventricle Resources
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