The spleen is usually included among the ductless glands, and insofar as it does not possess a duct in the accepted sense of the word, this description is correct. However, apart from any problematical internal secretions, its most obvious functions in health are concerned with lymphocyte production and the disposal of effete red cells or red cell fragments. In Man, the spleen, before but not after birth, is also an important centre for erythropoiesis and granulopoiesis. Further comments on splenic function will be found at the end of this section.
KeywordsMigration Depression Germinal
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