MeSH definition : A fetal heart structure that is the bulging areas in the cardiac septum between the
HEART ATRIA and the HEART VENTRICLES. During development, growth and fusion of endocardial
cushions at midline forms the two atrioventricular canals, the sites for future TRICUSPID
VALVE and BICUSPID VALVE.;
A fetal heart structure that is the bulging areas in the cardiac septum between the
HEART ATRIA and the HEART VENTRICLES. During development, growth and fusion of endocardial
cushions at midline forms the two atrioventricular canals, the sites for future TRICUSPID
VALVE and BICUSPID VALVE.