Queried GO terms:

  idGO:0046649   Detailed information
  namelymphocyte activation
  namespacebiological_process
  def"A change in morphology and behavior of a lymphocyte resulting from exposure to a specific antigen, mitogen, cytokine, chemokine, cellular ligand, or soluble factor." [GOC:mgi_curators, ISBN:0781735140]
  is_aGO:0045321 ! leukocyte activation

No monarch genes has this GO term.