The spleen is a key component of the immune system. It filters old blood cells, bacteria, tumor cells out of the blood and breaks them down. The macrophages then get rid of them.

BOSTON (CBS) --- Did you pay attention in human anatomy class? If not, the students at Harvard Medical School have a quick refresher for you. It's a music video titled "What Does The Spleen Do ...

“The spleen is a reservoir for all blood cells,” says Ng, a Hong Kong-based specialist in gastroenterology and hepatology. “It produces and trains white cells.” ...

While the spleen is an organ that plays an important role in the filtration of your body's blood, there are a few reasons a doctor would opt to remove it. While you can live without the organ ...

Splenomegaly is one of the characteristic signs of an overactive spleen. It can cause platelets to pool inside of your spleen and cause thrombocytopenia. Thrombocytopenia is when you have a low ...