Any process of the immune system that can potentially contribute to an immune response. [ https://www.worldcat.org/search?q=bn%3A0781735149 GOC:add http://purl.obolibrary.org/obo/go/references/0000022 ]
Any process of the immune system that executes a component of an immune response. An effector immune process takes place after its activation. [ GOC:add http://purl.obolibrary.org/obo/go/references/0000022 https://www.worldcat.org/search?q=bn%3A0781735149 ]