| Aortic opening | |
|---|---|
| Latin | ostium aortae |
| Gray's | subject #138 534 |
The aortic opening (aortic orifice) is a circular aperture, in front and to the right of the atrioventricular, from which it is separated by the anterior cusp of the bicuspid valve.
Its orifice is guarded by the aortic semilunar valves.
The portion of the ventricle immediately below the aortic orifice is termed the aortic vestibule, and possesses fibrous instead of muscular walls.
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.
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