Term Name: negative regulation of heart rate by acetylcholine
Synonyms: negative regulation of heart contraction rate by acetylcholine
Definition: The process in which acetylcholine released from vagus nerve endings binds to muscarinic receptors on the pacemaker cells and decreases the rate of heart muscle contraction.
Ontology: GO: Biological Process [GO:0003063]    QuickGO    AmiGO

Relationships
is part of: regulation of systemic arterial blood pressure by acetylcholine
has parts: G protein-coupled acetylcholine receptor signaling pathway involved in negative regulation of heart rate
is a type of: negative regulation of heart rate regulation of heart rate by chemical signal