sinoatrial node development

id: GO:0003163
name: sinoatrial node development
namespace: biological_process
type: go
obsolete: False

Description: The process whose specific outcome is the progression of the sinoatrial (SA) node over time, from its formation to the mature structure. The SA node is part of the cardiac conduction system that controls the timing of heart muscle contraction. It relays electrical signals to the AV node.

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