Meanings
plural sinoatrial nodes · alternative abbreviation SA node
- anatomyA group of cells located in the wall of the right atrium of the heart that originates the impulses stimulating the heartbeat.
Synonyms: sinus node, pacemaker
Synonyms & antonyms
nounA group of cells located in the wall of the right atrium of the heart that originates the impulses stimulating the heartbeat.
More synonyms by meaning
nouna specialized bit of heart tissue that controls the heartbeat
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Afrikaans sino-atriale knoop
- sino-atriale knoopa group of cells
Chinese Cantonese 竇房結 /窦房结
- 竇房結 /窦房结 (dau⁶ fong⁴ git³)a group of cells
Chinese Mandarin 竇房結 /窦房结
- 竇房結 /窦房结 (dòufángjié)a group of cells
Dutch sinusknoop
- sinusknoopa group of cells
Finnish sinussolmuke, eteissolmuke
- sinussolmukea group of cells
- eteissolmukea group of cells
French nœud sinusal, nœud sino-auriculaire
- nœud sinusala group of cells
- nœud sino-auriculairea group of cells
- nœud sinu-atriala group of cells
German Sinusknoten, Sinuatrial-Knoten
- Sinusknotena group of cells
- Sinuatrial-Knotena group of cells
Greek φλεβόκομβος
- φλεβόκομβος (flevókomvos)a group of cells
Hungarian szinuszcsomó
- szinuszcsomóa group of cells
Japanese 洞房結節
- 洞房結節 (dōbōkessetsu)a group of cells
Latin nodus sinuatrialis, nodus sinuosus
- nodus sinuatrialisa group of cells
- nodus sinuosusa group of cells
Persian گره سینوسی- دهلیزی
- گره سینوسی- دهلیزیa group of cells
Polish węzeł zatokowo-przedsionkowy
- węzeł zatokowo-przedsionkowya group of cells
Portuguese nó sinusal, nódulo sinoauricular
- nó sinusala group of cells
- nódulo sinoauriculara group of cells
- nodo sinoatriala group of cells
Romanian nod sinusal, nod sinoatrial
- nod sinusala group of cells
- nod sinoatriala group of cells
Spanish nodo sinoauricular, nódulo sinusal
- nodo sinoauriculara group of cells
- nódulo sinusala group of cells
- nodo seno-auriculara group of cells
- nodo sinoatriala group of cells
Vietnamese nút xoang
- nút xoanga group of cells
Cite this entry
sinoatrial node. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sinoatrial%20node
“sinoatrial node.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sinoatrial%20node. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “sinoatrial node,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sinoatrial%20node.
Source: sinoatrial node on Wiktionary, CC BY-SA 4.0.