Right atrium

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Right atrium

The Right atrium (pronounced: /ˈraɪt ˈeɪtriəm/) is one of the four chambers of the heart. It receives deoxygenated blood from the body through the vena cava and pumps it into the right ventricle.

Etymology

The term "atrium" is derived from the Latin word "atrium", which means 'central court' or 'main hall'. The prefix "right" is used to differentiate it from the left atrium, the other atrial chamber of the heart.

Function

The primary function of the right atrium is to act as a receiving chamber for deoxygenated blood returning to the heart from the body. It then pumps this blood into the right ventricle, which in turn pumps the blood to the lungs for oxygenation.

Related Terms

  • Atrium (heart): The two upper chambers of the heart, including the right atrium and the left atrium.
  • Vena cava: The large vein that carries deoxygenated blood from the body back to the heart.
  • Right ventricle: The chamber of the heart that receives blood from the right atrium and pumps it to the lungs.
  • Heart: The organ that pumps blood throughout the body.

See Also

External links

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