# leukocyte activation

> change in morphology and behavior of a leukocyte resulting from exposure to a specific antigen, mitogen, cytokine, cellular ligand, or soluble factor

**Wikidata**: [Q22295734](https://www.wikidata.org/wiki/Q22295734)  
**Source**: https://4ort.xyz/entity/leukocyte-activation


## References

1. Gene Ontology release 2019-10-07
2. UMLS 2023