Preferred Name

sinoatrial node

Synonyms

sinu-atrial node

sinoatrial node

sinus node of Keith and Flack

Koch's node

nodus sinuatrialis

SA nodal muscle tissue

sinus node

SA node

node of Keith-Flack

sinuatrial node

cardiac pacemaker

sinuatrial nodal muscle tissue

Definitions

WP:Heart states: "The SA node is found in all amniotes but not in more primitive vertebrates. In these animals, the muscles of the heart are relatively continuous and the sinus venosus coordinates the beat which passes in a wave through the remaining chambers. Indeed, since the sinus venosus is incorporated into the right atrium in amniotes, it is likely homologous with the SA node. In teleosts, with their vestigial sinus venosus, the main centre of coordination is, instead, in the atrium.". Note however that ZFA has SA node. The part of the cardiac conduction system that controls the timing of heart muscle contraction. It relays electrical signals to the AV node[GO]. Subdivision of conducting system of heart at the junction of the right atrium and the superior vena cava, around the sinoatrial nodal branch of right coronary artery and is continuous with the internodal tract[FMA].

ID

http://purl.obolibrary.org/obo/UBERON_0002351

comment

WP:Heart states: "The SA node is found in all amniotes but not in more primitive vertebrates. In these animals, the muscles of the heart are relatively continuous and the sinus venosus coordinates the beat which passes in a wave through the remaining chambers. Indeed, since the sinus venosus is incorporated into the right atrium in amniotes, it is likely homologous with the SA node. In teleosts, with their vestigial sinus venosus, the main centre of coordination is, instead, in the atrium.". Note however that ZFA has SA node.

contributes to morphology of

http://purl.obolibrary.org/obo/UBERON_0002350

database_cross_reference

MESH:D012849

BTO:0004358

GAID:561

ZFA:0005069

OpenCyc:Mx4rOhejDGMcEd2AAABQjYGu0g

NCIT:C33555

MA:0000097

UMLS:C0037189

EHDAA2:0004184

TAO:0005069

EMAPA:35772

FMA:9477

http://linkedlifedata.com/resource/umls/id/C0037189

http://www.snomedbrowser.com/Codes/Details/277687007

http://en.wikipedia.org/wiki/Sinoatrial_node

depicted_by

http://upload.wikimedia.org/wikipedia/commons/d/d2/Sinoatrial_node_low_mag.jpg

http://upload.wikimedia.org/wikipedia/commons/d/de/Sinoatrial_node_2_low_mag.jpg

has_exact_synonym

sinu-atrial node

sinoatrial node

sinus node of Keith and Flack

Koch's node

nodus sinuatrialis

SA nodal muscle tissue

sinus node

SA node

node of Keith-Flack

sinuatrial node

cardiac pacemaker

sinuatrial nodal muscle tissue

has_obo_namespace

uberon

has_related_synonym

nodus sinuatrialis

id

UBERON:0002351

in_subset

http://purl.obolibrary.org/obo/uberon/core#uberon_slim

http://purl.obolibrary.org/obo/uberon/core#pheno_slim

http://purl.obolibrary.org/obo/uberon/core#vertebrate_core

label

sinoatrial node

notation

UBERON:0002351

part_of

http://purl.obolibrary.org/obo/UBERON_0002350

prefixIRI

UBERON:0002351

prefLabel

sinoatrial node

textual definition

The part of the cardiac conduction system that controls the timing of heart muscle contraction. It relays electrical signals to the AV node[GO]. Subdivision of conducting system of heart at the junction of the right atrium and the superior vena cava, around the sinoatrial nodal branch of right coronary artery and is continuous with the internodal tract[FMA].

treeView

http://purl.obolibrary.org/obo/UBERON_0002350

subClassOf

http://purl.obolibrary.org/obo/UBERON_0004493

http://purl.obolibrary.org/obo/UBERON_0010131

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Delete Mapping To Ontology Source
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