Primary (or central) lymphoid tissues can also be referred to as primary lymphoid organs. Maturation of [[Lymphocytes|lymphocytes]] and [[Leukopoiesis#Lymphopoiesis|lymphopoiesis]] occurs in the primary lymphoid tissues, with different tissues responsible for maturing different types of [[Lymphocytes|lymphocyte]].The primary lymphoid tissues are: | Primary (or central) lymphoid tissues can also be referred to as primary lymphoid organs. Maturation of [[Lymphocytes|lymphocytes]] and [[Leukopoiesis#Lymphopoiesis|lymphopoiesis]] occurs in the primary lymphoid tissues, with different tissues responsible for maturing different types of [[Lymphocytes|lymphocyte]].The primary lymphoid tissues are: |