Term: macrophage activation of immune response
Name: macrophage
Synonyms: histiocyte
Definition: A mononuclear phagocyte present in variety of tissues, typically differentiated from monocytes, capable of phagocytosing a variety of extracellular particulate material, including immune complexes, microorganisms, and dead cells.
Ontology: Anatomy Ontology [ZFA:0009141]

Name: activation of immune response
Synonyms:
Definition: Any process that initiates an immune response.
Ontology: GO: Biological Process [GO:0002253]    QuickGO    AmiGO