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