What is the right atrium?
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The right atrium is called the right atrium. Gray's Anatomy (1918) describes it as the upper right chamber of the heart.
Summary
The right atrium is called the right atrium. Gray's Anatomy (1918) describes it as the upper right chamber of the heart.
What it is
- The upper right chamber of the heart.
- Receives all the deoxygenated blood returning from the body.
- Passes that blood into the right ventricle.
Where it is
- On the right side of the heart.
- Receives the superior vena cava above and the inferior vena cava below.
- Empties into the right ventricle through the tricuspid valve.
Sources
According to Gray's Anatomy of the Human Body (1918, public domain):
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