cold war in British English. See all translations. uk â /ËkÉÊld ËwÉËr/ us â /ËkoÊld ËwÉËr/. âº a state of extreme unfriendliness existing between countries, especially countries with opposing political systems, that expresses itself not through fighting but through political pressure and threats.
The spleen is the largest organ of the lymphatic system. Its primary function is to filter blood of damaged cells, cellular debris, and pathogens. Like the thymus, the spleen houses and aids in the maturation of lymphocytes. Lymphocytes destroy pathogens and dead cells in the blood.
THE SPLEEN STRUCTURE OF THE SPLEEN. . The spleen filters blood and is the largest single lymphoid organ in the body. It has a dense fibrous capsule with muscular trabeculae extending inward to subdivide the spleen into lobules and provide anchors for the reticular meshwork supporting the cellular parenchyma.