Assertion: tonsil's cell | /r/HasProperty | vital
Facets:
value: to the presented antigen
type: OTHER
Source sentences:
text: KLK9 was strongly expressed in the germinal center of lymphoid follicles where activated B-cells reside, whereas KLK10 was expressed in the follicular dendritic cells (FDCs) that are vital for maintaining the cycle of B cell maturation.
text: The fully differentiated B and T cells are specific to the presented antigen and work to defend the body against pathogens associated with that antigen.