Assertion: antigen | /r/HasProperty | detected by macrophage
Facets:
Source sentences:
text: Here are the steps in an immune response: When an antigen is detected by a macrophage (as describe above under phagocytosis), this causes the T-cells to become activated.
text: Here are the steps in an immune response: When an antigen is detected by a macrophage (as describe above under phagocytosis), this causes the T-cells to become activated.