Assertion: tonsil's lymphocyte | /r/CapableOf | monitor lymphatic stream
Facets:
value: for the presence of antigens
type: PURPOSE
Source sentences:
text: Macrophages ingest microorganisms and celular debris, lymphocytes monitor the lymphatic stream for the presence of antigens and mount an immune response vessels draining the node than afferent vessels that feed it, the flow of lymph through