What is the left atrium?
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The left atrium is called the left atrium. Gray's Anatomy (1918) describes it as the upper left chamber of the heart.
Summary
The left atrium is called the left atrium. Gray's Anatomy (1918) describes it as the upper left chamber of the heart.
What it is
- The upper left chamber of the heart.
- Receives oxygenated blood returning from the lungs.
- Passes that blood into the left ventricle.
Where it is
- At the back of the heart.
- Receives the four pulmonary veins.
- Empties into the left ventricle through the mitral valve.
Sources
According to Gray's Anatomy of the Human Body (1918, public domain):
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