Assertion: immune system's cell | /r/HasProperty | activated
Facets:
value: during an infection
type: TEMPORAL
Source sentences:
text: The cells of the immune system are activated when a foreign antigen (Ag) is recognized by cell surface receptors.
text: The first contact that an organism has with a particular antigen will result in the production of effector T and B cells which are activated cells that defend against the pathogen.
text: After success, preparing for the future Most of the cells that are activated during an infection die during or shortly afterward.
text: After B or T cells are activated, they expand rapidly.