1. This makes the venule form an hourglass shape around the arteriole. 2. Venules and veins collect blood low in oxygen from tissues throughout the body.3. Antigen-presenting cells accumulate near high endothelial venules to process soluble antigens. 4. Lymphocytes enter the lymph nodes through specialised high endothelial venules found in the paracortex. 5. Deoxygenated maternal blood drains into open ended intervillous venules to return to maternal circulation. 6. In the arterioles, capillaries, and venules the Womersley numbers are less than one. 7. Affects capillaries, venules , or arterioles. 8. Proposed procedures for the neurodegeneration are than Narrower arterioles and wider venules have been reported. 9. Once the blood has become deoxygenated it travels through venules then veins and back to the heart. 10. The portal venous system is a series of veins or venules that directly connect two capillary beds.
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