negative regulation of cumulus cell differentiation
down regulation of cumulus cell differentiation
exact
down-regulation of cumulus cell differentiation
exact
downregulation of cumulus cell differentiation
exact
inhibition of cumulus cell differentiation
narrow
negative regulation of ovarian cumulus cell differentiation
exact
Any process that stops, prevents, or reduces the frequency, rate or extent of ovarian cumulus cell differentiation.
GO:0030857
negative regulation of epithelial cell differentiation
is_a
GO:0045592
regulation of cumulus cell differentiation
is_a
GO:2000242
negative regulation of reproductive process
is_a
GO:0001549
cumulus cell differentiation
negatively_regulates