What it means
The root in words about the spleen, an organ in the left upper abdomen that filters the blood and helps fight infection. Splenomegaly is an enlarged spleen, and a splenectomy is its removal. People without a spleen are more prone to some serious infections and need extra vaccines.
At a glance
| Also written | spleno- |
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Related terms
immune system
The body's defense system of cells, tissues and organs that fights germs and other foreign substances.
lymph
The clear fluid that flows through the lymphatic vessels and carries white blood cells.