Lymphocytes constantly circulate through blood vessels within lymph nodes and
other lymphoid organs, but only some actually enter lymphoid tissue by crossing the walls of the vessels, known as high endothelial venules (HEVs).
The disease originates in a lymphoid organ (lymph node, spleen, or bone marrow) before spreading through the blood to infiltrate not only
other lymphoid organs but also other tissues.
Not exact matches
The research suggests there are more people infected in
lymphoid tissues, who may never develop the disease but could still infect
others via blood transfusions or
organ donations