Overview
The spleen is an organ involved in the production and maintenance of red blood cells, and the production of certain circulating white blood cells, as a part of the lymph and immune systems.
Review Date 4/1/2025
Updated by: Frank D. Brodkey, MD, FCCM, Associate Professor, Section of Pulmonary and Critical Care Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.