#lymph_node__lymphnode__lymph_gland__lymphgland__node  the source of lymph and lymphocytes
  supertype:  lymphatic_tissue__lymphatictissue__lymphoidtissue  tissue making up the lymphatic system
  subtype:  axillary_node  Peyer's_patch  bubo
  part of:  immune_system  a system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response
  part of:  circulatory_system__circulatorysystem__cardiovascular_system  the organs and tissues involved in circulating blood and lymph through the body
     part of:  body__organic_structure__organicstructure__physical_structure  the entire physical structure of an organism (especially an animal or human being); "he felt as if his whole body were on fire"

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