Any process that stops, prevents, or reduces the frequency, rate or extent of the regulated release of corticotropic hormone from a cell.
Synonyms:
exact_synonym:
down regulation of adrenocorticotropin secretion; downregulation of adrenocorticotropin secretion; negative regulation of ACTH secretion; negative regulation of adrenocorticotropic hormone secretion; negative regulation of adrenocorticotropin secretion; negative regulation of adrenotropic hormone secretion; negative regulation of adrenotropin secretion; negative regulation of corticotropic hormone secretion