Functions of spleen

State the functions of spleen? Why total splenectomy, surgical removal of the spleen is compatible with life?

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The spleen serves several functions: it performs the destruction of old red blood cells; specialized leukocytes are matured in it; it helps in the renewal of hematopoietic tissue of bone marrow whenever required; it act as sponge like organ to retain or liberate blood from or for the circulation. Total splenectomy is compatible with life as none of the functions performed by the spleen are important and simultaneously exclusive of this organ.

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