31. Colonization of the venous system by schistosomes required precise egg placement because their eggs are released against the blood flow. 32. "' Venous blood "'is deoxygenated blood which travels from the peripheral venous system into the right atrium of the heart. 33. The previous operations gave the boys time to heal, and Carl was able to develop his own venous system , Goodrich said. 34. It was later recognized that the cerebrospinal venous system represents a main route for efflux of venous blood from the brain. 35. Portal venous systems are considered venous because the blood vessels that join the two capillary beds are either veins or venules. 36. And so a clot anywhere in the venous system passes through larger and larger veins until it gets to the heart. 37. There they dissolve via simple diffusion in the intestinal cells, then onto the lymphatic vessels, and then into the venous system . 38. Venous insufficiency is the most common disorder of the venous system , and is usually manifested as spider veins or varicose veins. 39. The next step in the disease progression is occlusion of the superficial venous system , thereby preventing all venous outflow from the extremity. 40. Thus, it acts as collaterals between the portal veins and the systemic venous system of the lower esophagus ( azygous vein ).
