Blood Components: Reentry into Vasculature

Where do defective red blood cells undergo selective removal by macrophages?

Which of the following is a major function of the red pulp in the spleen?

What happens to iron released from hemoglobin during RBC degradation?

After splenectomy, where do most abnormal erythrocytes get removed by macrophages?

What is the fate of iron-free heme in the spleen?

Which structure lacks significant smooth muscle and forms the splenic vein?

What is the main function of the endothelial stave cells that line the sinusoids in the red pulp of the spleen?

Which component of the splenic sinusoids is highly discontinuous and allows for the passage of blood cells?

In the spleen's open circulation mode, what happens to blood cells that cannot move between the stave cells in the splenic cords?

Which structure in the spleen resembles a loosely organized wooden barrel, as depicted in a diagram?

What is the main role of T lymphoblasts in the thymus, according to the text?

What is the key role of thymic epithelial cells (TECs) in the thymus, as mentioned in the text?

What is the role of splenic cords in the red pulp?

What characterizes the endothelial cells in the splenic sinusoids?

What is the function of the splenic sinusoids in the red pulp?

In the closed circulation through the splenic red pulp, what happens to the blood flow?

How are the splenic cords and splenic sinusoids arranged in the red pulp?

What distinguishes the open circulation in the splenic red pulp?