Spleen

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** An organ that is part of the hematopoietic and immune systems. It is composed of the white pulp and the red pulp and is surrounded by a capsule. It is located in the left hypochondriac region. Its functions include lymphocyte production, blood cell storage, and blood cell destruction.

**Synonyms:** - Reticuloendothelial System, Spleen - SPLEEN - Splenic - Splenic structure (body structure) - spleen - spleen - splenic