peritoneal mast cells , bone marrow-derived mast cells ( bmmc ) , and the mastocytoma cells p815 were found to bear trypsin-resistant , 2.4g2+ , low-affinity receptors binding mouse monoclonal igg1 , igg2a , and igg2b , i.e. , fc gamma rii .
C0024880
mast cells
C0024897
mastocytoma