Depending on recipe and cooking method it may be either a flaky potato pie, or a heavy potato pudding.
Ductus arteriosus: A short vessel through which blood headed from the heart via the pulmonary artery to the lungs is shunted before birth. This blood is shunted away from the lungs and returned to the aorta. When the shunt is open, it is said to be patent.
Of those children with Down syndrome who are born with congenital heart disease, an antrioventricular septal defect is the most common. In less severe cases, Ventricular Septal Defects and Atrial Septal Defects can also occur separately. The ductus arteriosus is a channel between the pulmonary artery and the aorta.