negative regulation of R8 cell differentiation
down regulation of R8 differentiation
exact
down-regulation of R8 differentiation
exact
downregulation of R8 differentiation
exact
inhibition of R8 differentiation
narrow
negative regulation of R8 differentiation
exact
Any process that stops, prevents, or reduces the frequency, rate or extent of R8 cell differentiation.
GO:0045679
regulation of R8 cell differentiation
is_a
GO:0110118
negative regulation of compound eye photoreceptor cell differentiation
is_a
GO:0045465
R8 cell differentiation
negatively_regulates