negative regulation of serotonin secretion
down regulation of serotonin secretion
exact
down-regulation of serotonin secretion
exact
downregulation of serotonin secretion
exact
inhibition of serotonin secretion
narrow
positive regulation of serotonin release
related
Any process that stops, prevents, or reduces the frequency, rate or extent of the regulated release of serotonin.
GO:0014062
regulation of serotonin secretion
is_a
GO:0043271
negative regulation of monoatomic ion transport
is_a
GO:1903531
negative regulation of secretion by cell
is_a
GO:0001820
serotonin secretion
negatively_regulates