bn:00015950n
Noun Concept
Categories: Articles with short description, Cardiac electrophysiology, All articles needing additional references, Cardiac anatomy
EN
sinoatrial node  cardiac pacemaker  SA node  pacemaker  sinus node
EN
A specialized bit of heart tissue that controls the heartbeat WordNet 3.0
Definitions
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EN
A specialized bit of heart tissue that controls the heartbeat WordNet 3.0 & WordNet 2020
The sinoatrial node is a group of cells located in the wall of the right atrium of the heart. Wikipedia
The contraction of cardiac muscle in all animals is initiated by electrical impulses known as action potentials. Wikipedia
A group of cells within the heart that initiate contractions and set the pace of beating Wikipedia Disambiguation
Network of cells that facilitate rhythmic heart contraction Wikidata
Group of cells located in the wall of the right atrium of the heart Wikidata
A group of cells located in the wall of the right atrium of the heart that originates the impulses stimulating the heartbeat. Wiktionary
A group of cells. Wiktionary (translation)
The sinoatrial node. Wiktionary