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 Spleen â¢ Largest single collection of lymphoid tissue in the body, located on left side of abdomen beneath the diaphragm â¢ Filters the blood like lymph nodes filter the lymph â¢ Phagocytes and other lymphocytes in the spleen identify and attack damaged and infected cells in circulating blood â¢ Functions: â Site of lymphocyte proliferation â Immune surveillance and response â Cleanses the blood Functions of the Spleen â¢ Removal of abnormal blood cells and other blood components by phagocytosis