MeSH definition : Congenital malformation where the AORTIC VALVE has four instead of three cusps. It
is often associated with AORTIC REGURGITATION and AORTIC VALVE STENOSIS.;
Congenital malformation where the AORTIC VALVE has four instead of three cusps. It
is often associated with AORTIC REGURGITATION and AORTIC VALVE STENOSIS.