Assertion: tonsil's cell | /r/HasProperty | apc
Facets:
Source sentences:
text: T cells become activated by recognising foreign antigens bound to antigen presenting cells (APC), in particular, dendritic cells.
text: These subepithelial cells include CD4+ type 1 T helper cells (THCs) and immunoglobulin D (IgD)/IgM+ B cells; the latter are antigen-presenting cells (APCs) that function as memory cells interacting with type 1 THCs.