White Pulp

The lymphatic white pulp-sometimes called splenic lymphoid nodules or Malpighian bodies-is (with the red pulp) one of two types of splenic tissue filtering the blood as it passes within the splenic pulp of the spleen's interior. The white pulp is the lymphatic portion of the spleen, performing immune functions within that organ. T cells and B-lymphocytes, along with other lymphocytes, populate the white pulp, which concentrates around the arterioles within the spleen forming periarterial...

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    Full White Pulp Description

    [Continued from above] . . . lymphatic sheaths. Additionally, the white pulp serves as a B cell reservoir, with a surplus of B lymphocytes waiting to enact an immune response.