For 10 points, name this organ in the lymphatic system located in the upper left of the abdomen and responsible for the removal of old red blood cells and platelets.
This tissue is the location of the sinusoidal macrophages in the reticulo-endo-thelial system. To complete the last stage in their development, immature B-cells migrate to this organ's follicular region and undergo T1 and T2 steps. The (*) marginal zone divides the two main tissues making up this organ, and it contains more than half of the body's monocytes. Sequestration of this organ is a common side effect of sickle-cell anemia in younger children, and it's made up of red and white pulp. For 10 points, name this organ in the lymphatic system located in the upper left of the abdomen and responsible for the removal of old red blood cells and platelets.
This tissue is the location of the sinusoidal macrophages in the reticulo-endo-thelial system.
spleen (Ed’s note: my spleen!)