Assertion: t lymphocyte | /r/CapableOf | assist b cells
Facets:
value: to produce antibodies
type: PURPOSE
Source sentences:
text: Two classes of T lymphocytes can be involved in the response to those cell-associated viral antigens: cytotoxic T lymphocytes, which destroy the cells by a lytic mechanism, and helper T lymphocytes, which assist B cells to produce antibodies against the microbial antigens.