sinoatrial node

group of cells located in the wall of the right atrium of the heart

Facts

5 properties
Instance of
muscle organ zone type, class of anatomical entity[4]
Subclass of
subdivision of conducting system of heart, particular anatomical entity[5][6]
Discoverer or inventor
Martin Flack, Arthur Keith[2][3]
🏷️ Also known as
en SAN en sinus node en sinoatrial node en SA node en Keith and Flack node en Keith-Flack node ar عقدة جيبية أذينية cs Sinoatriální uzel de Sinusknoten el φλεβοκομβικός κόμβος es nódulo sinoauricular es nódulo de Keith y Flack es nodo SA es nodulo sinoauricular fa گره سینوسی fi Sinussolmuke fr faisceau atrio-necteur fr faisceau de Keith et Flack fr nœud de Keith et Flack fr nœud sino-auriculaire
🔖 Identifiers · 18
OpenAlex ID
C2778542873
Image (Wikimedia Commons)
Reizleitungssystem 1.png ↗
BabelNet ID
00015950n
Encyclopædia Britannica Online ID
science/sinoatrial-node
Foundational Model of Anatomy ID
9477
Freebase ID
/m/02v05p
ICD-11 ID (Foundation)
1419358023
ICD-11 ID (MMS)
XA1UE3
MeSH descriptor ID
D012849
MeSH tree code
A07.541.409.819
Microsoft Academic ID (discontinued)
2778542873, 2910370424
Store medisinske leksikon ID
sinusknuten
Show all 18 identifiers +6
TA2 ID
3953
TA98 Latin term
nodus sinuatrialis
Terminologia Anatomica 98 ID
A12.1.06.003
UBERON ID
0002351
UMLS CUI
C0037189
Wellcome Collection concept ID
m2yvvp7n

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Discoverer or inventor 2
Arterial supply 1
Part of 1
← Afflicts 1
Press Enter · cited answer in seconds

Summary

sinoatrial node is a muscle organ zone type[1].

Body

Works and Contributions

Credited discoveries include Martin Flack[2], a physician[9], 1882–1931[10], of United Kingdom[11], awarded the Commander of the Order of the British Empire[12] and Arthur Keith[3], an anthropologist[13], 1866–1955[14], of United Kingdom of Great Britain and Ireland[15], awarded the Fellow of the Royal Society[16], specialised in racism[17].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [5] ↑ . Foundational Model of Anatomy. Retrieved . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [9] ↑ . Wikidata. wikidata.org. → on this site
  2. [10] ↑ . Wikidata. wikidata.org. → on this site
  3. [11] ↑ . Wikidata. wikidata.org. → on this site
  4. [12] ↑ . Wikidata. wikidata.org. → on this site
  5. [13] ↑ . Wikidata. wikidata.org. → on this site
  6. [14] ↑ . Wikidata. wikidata.org. → on this site
  7. [15] ↑ . Wikidata. wikidata.org. → on this site
  8. [16] ↑ . Wikidata. wikidata.org. → on this site
  9. [17] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). sinoatrial node. Retrieved November 6, 2026, from https://4ort.xyz/entity/sinoatrial-node
MLA “sinoatrial node.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/sinoatrial-node.
BibTeX @misc{4ortxyz_sinoatrial-node_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{sinoatrial node}}, year = {2026}, url = {https://4ort.xyz/entity/sinoatrial-node}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): sinoatrial node — https://4ort.xyz/entity/sinoatrial-node (retrieved 2026-11-06)

Canonical URL: https://4ort.xyz/entity/sinoatrial-node · Last refreshed: