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| Aortic sinus | |
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| Aorta laid open to show the semilunar valves. (Aortic sinus labeled at upper left.) | |
| Latin | sinus aortae |
| Gray's | subject #138 535 |
An aortic sinus is one of the anatomic dilations of the ascending aorta, which occurs just above the aortic valve.
There are generally three aortic sinuses, the left, the right and the posterior.
- The left aortic sinus gives rise to the left coronary artery.
- The right aortic sinus gives rise to the right coronary artery.
- Usually, no vessels arise from the posterior aortic sinus, which is therefore known as the non-coronary sinus.
Each aortic sinus can also be referred to as the sinus of Valsalva, the sinus of Morgagni, or Petit's sinus.
See also
External links
- Aortic+sinus at eMedicine Dictionary
- SUNY Labs 20:29-0108 - "Heart: The Aortic Valve and Aortic Sinuses"
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Wikipedia content modification information:
- This page was last modified on 25 February 2008, at 00:34.
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