Assertion: tonsil's lymphocyte | /r/HasProperty | the natural killer cell
Facets:
Source sentences:
text: A fourth important lymphocyte is the natural killer cell, a participant in the innate immune response.
text: A fourth important lymphocyte is the natural killer cell, a participant in the innate immune response.
text: A fourth important lymphocyte is the natural killer cell, a participant in the innate immune response.
text: A fourth important lymphocyte is the natural killer cell, a participant in the innate immune response.