negative regulation of cardiac endothelial to mesenchymal transition
Any process that stops, prevents, or reduces the frequency, rate or extent of cardiac endothelial to mesenchymal transition.
GO:0045596
negative regulation of cell differentiation
is_a
GO:0051241
negative regulation of multicellular organismal process
is_a
GO:0061999
regulation of cardiac endothelial to mesenchymal transition
is_a
GO:0140074
cardiac endothelial to mesenchymal transition
negatively_regulates