negative regulation of mast cell degranulation
down regulation of mast cell degranulation
exact
down-regulation of mast cell degranulation
exact
downregulation of mast cell degranulation
exact
inhibition of mast cell degranulation
narrow
negative regulation of mast cell granule exocytosis
exact
Any process that stops, prevents, or reduces the rate of mast cell degranulation.
GO:0002887
negative regulation of myeloid leukocyte mediated immunity
is_a
GO:0043301
negative regulation of leukocyte degranulation
is_a
GO:0043304
regulation of mast cell degranulation
is_a
GO:0043303
mast cell degranulation
negatively_regulates