supravalvular dilation of the aorta involving both its wall and the valve ring, which, however, remains of smaller diameter than the more distal ectatic wall; many cases are related to Marfan’s syndrome. Syn: aortoannular ectasia.
Health4All
supravalvular dilation of the aorta involving both its wall and the valve ring, which, however, remains of smaller diameter than the more distal ectatic wall; many cases are related to Marfan’s syndrome. Syn: aortoannular ectasia.