antigen sampling in mucosal-associated lymphoid tissue +
B cell selection +
cell activation involved in immune response +
chondrocyte activation
egg activation +
endothelial cell activation +
fibroblast activation +
follicular dendritic cell activation +
glial cell activation +
hemocyte differentiation +
hemocyte proliferation +
immune effector process +
immune response +
immune system development +
immunological memory process +
keratinocyte activation
leukocyte activation +
A change in morphology and behavior of a leukocyte resulting from exposure to a specific antigen, mitogen, cytokine, cellular ligand, or soluble factor.
leukocyte homeostasis +
leukocyte migration +
lymphocyte costimulation +
myeloid cell homeostasis +
negative regulation of cell activation +
negative regulation of immune system process +
neuroblast activation
platelet activation +
positive regulation of cell activation +
positive regulation of immune system process +
production of molecular mediator of immune response +