What is the aortic valve?
The aortic valve is called the aortic valve. Gray's Anatomy (1918) describes it as a three-cusp valve at the base of the aorta.
What it is
- A three-cusp valve at the base of the aorta.
- Prevents blood from flowing back into the left ventricle after it has been pumped out.
- Opens with each ventricular contraction and closes as the ventricle relaxes.
Where it is
- Between the left ventricle and the ascending aorta.
- Sits at the top of the left ventricle.
- Its closure produces part of the second heart sound.
Source:
Last verified: 2026-07-18
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