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.
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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.
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negative regulation of heart contraction rate by acetylcholine,
negative regulation of heart rate by acetylcholine
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