Mast cells were shown to accumulate around the periphery of the invasive and metastatic rat mammary adenocarcinoma (MTLn3), and histological evidence of mast cell degranulation was observed during the ...

HALPERN 1 has shown that the injection of dextran into albino rats causes increased capillary permeability and shock. Coincident with the appearance of shock, there is a massive release of histamine ...