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. Truncus arteriosus is a rare type of heart disease that occurs at birth (. ), in which a single blood vessel (truncus arteriosus) comes out of the right and left ventricles, instead of the normal two vessels(pulmonary artery and aorta).There are different types of truncus arteriosus.n truncus arteriosus, a single artery comes out of the ventricles. There is usually also a large hole between the two ventricles (. ). As a result, the blue (without oxygen) and red (oxygen-rich) blood mix.