Aortic orifice

The aortic orifice, (aortic opening) is a circular opening, in front and to the right of the left atrioventricular orifice, from which it is separated by the anterior cusp of the bicuspid valve.

Aortic orifice
Details
Identifiers
LatinOstium aortae
TA98A12.1.04.010
TA23994
FMA9350
Anatomical terminology

It is guarded by the aortic semilunar valve.

The portion of the ventricle immediately below the aortic orifice is termed the aortic vestibule, and has fibrous instead of muscular walls.

References

Public domain This article incorporates text in the public domain from page 534 of the 20th edition of Gray's Anatomy (1918)


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