negative regulation of endothelial cell activation
down regulation of endothelial cell activation
exact
down-regulation of endothelial cell activation
exact
downregulation of endothelial cell activation
exact
inhibition of endothelial cell activation
narrow
Any process that stops, prevents or reduces the frequency, rate or extent of endothelial cell activation.
GO:0050866
negative regulation of cell activation
is_a
GO:1904987
regulation of endothelial cell activation
is_a
GO:0042118
endothelial cell activation
negatively_regulates