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.
Definition. A patent ductus arteriosus (PDA) is a type of congenital (present at birth) heart problem. All babies have a small passageway (called the ductus arteriosus) connecting the pulmonary artery and the aorta, which is open at birth.The pulmonary artery is a blood vessel that moves blood from the heart to the lungs. The aorta is a blood vessel that moves blood from the heart out to the rest of the body.ll babies have a small passageway (called the ductus arteriosus) connecting the pulmonary artery and the aorta, which is open at birth. The pulmonary artery is a blood vessel that moves blood from the heart to the lungs. The aorta is a blood vessel that moves blood from the heart out to the rest of the body.