The fibrous ring of the aortic valve that attaches the cusps of aortic valve to the wall of left ventricle, and which consists of portions of the fibrous scallops of the posterior, right anterior and left anterior cusps. [ MP:0010598 ]

Synonyms: fibrous ring of aortic valve anulus of aortic valve aortic anulus aortic valvar anulus

This is just here as a test because I lose it