Aortopulmonary septum | definition of aortopulmonary septum by Medical dictionary
the spiral septum that, during development, separates the truncus arteriosus into a ventral pulmonary trunk and a dorsal aorta.
See also: bulbar ridge
References in periodicals archive
During development, the common lumen of the distal outflow tract is initially divided into separate intrapericardial arteries by the aortopulmonary septum
derived from the dorsal wall of the aortic arch .