two different populations of mast cells , that is , mastocytoma cells ( p815 ) that were maintained either in vitro or in vivo , and mast cells obtained by differentiation of bone marrow precursor cells ( mmc ) in conditioned medium , were used as effector cells in antibody-dependent cytotoxic reactions ( adcc ) against bloodstream trypomastigotes ( bt ) of trypanosoma cruzi .
C0024897
mastocytoma
C0024880
mast cells