cell activation (GO:0001775)

A change in the morphology or behavior of a cell resulting from exposure to an activating factor such as a cellular or soluble ligand.

Specific

astrocyte activation (GO:0048143) cell activation involved in immune response (GO:0002263) chondrocyte activation (GO:0044566) egg activation (GO:0007343) endothelial cell activation (GO:0042118) fibroblast activation (GO:0072537) follicular dendritic cell activation (GO:0002266) keratinocyte activation (GO:0032980) leukocyte activation (GO:0045321) neuroblast activation (GO:0007407) platelet activation (GO:0030168) skeletal muscle satellite cell activation (GO:0014719) thrombocyte activation (GO:0071892)

References

gene ontology: GO:0001775