Diagram of thb Postnatal Circulation

(After Huxley.) Ad, Right auricle receiving the superior and inferior venae cavae, Vcs and Vci; Dth, thoracic duct, the main trunk of the lymphatic system; Ad, right auricle; Vd, right ventricle; Ap, pulmonary artery: P, lung; Vp, pulmonary ye in; As, left auricle; Vs, left ventricle; Ao, aortaj D, intestine; L, liver; Vp, portal vein; Lv, hepatic vem. capillary c. of venous blood in the liver, between the portal and the hepatic veins pul'monaiy c, the pa age of blood from the right ventricle through the pulmonary artery to the lungs and back through the pulmonary veins to the left atrium, system'ic c, the c. of blood through the arteries, capillaries, and veins of the general system, from the left ventricle to the right atrium.