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.
Lymphedema is the abnormal buildup of fluid in soft tissue due to a blockage in the lymphatic system. The lymphatic system helps fight infection and other diseases by carrying lymph, a colorless fluid containing white blood cells, throughout the body. It does so using a network of thin tubes called vessels. Small glands called lymph nodes filter bacteria and other harmful substances out of this fluid.