MeSH Browser

MeSH Heading: Atrioventricular Node
Tree Number(s): A07.541.409.147
Unique ID: D001283
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D001283
Scope Note: A small nodular mass of specialized muscle fibers located in the interatrial septum near the opening of the coronary sinus. It gives rise to the atrioventricular bundle of the conduction system of the heart.
Entry Term(s): A-V Node; AV Node; Atrio-Ventricular Node
Public MeSH Note: 91; was see under HEART CONDUCTION SYSTEM 1975-90
Online Note: search HEART CONDUCTION SYSTEM 1966-74
History Note: 91(75); was see under HEART CONDUCTION SYSTEM 1975-90
Date Introduced: 1991/01/01
Last Updated: 1999/01/01

Allowable Qualifiers: abnormalities (AB)

anatomy & histology (AH)

chemistry (CH)

cytology (CY)

diagnostic imaging (DG)

drug effects (DE)

embryology (EM)

enzymology (EN)

growth & development (GD)

immunology (IM)

injuries (IN)

innervation (IR)

metabolism (ME)

microbiology (MI)

parasitology (PS)

pathology (PA)

physiology (PH)

physiopathology (PP)

radiation effects (RE)

surgery (SU)

transplantation (TR)

ultrastructure (UL)

virology (VI)

Concept UI: M0001928
Scope Note: A small nodular mass of specialized muscle fibers located in the interatrial septum near the opening of the coronary sinus. It gives rise to the atrioventricular bundle of the conduction system of the heart.
Terms: Atrioventricular Node Preferred Term
Term UI T003816
Date01/01/1999
LexicalTag NON
ThesaurusID NLM (1975); A-V Node
Term UI T003817
Date12/28/1989
LexicalTag NON
ThesaurusID NLM (1991); Atrio-Ventricular Node
Term UI T003818
Date02/08/1990
LexicalTag NON
ThesaurusID NLM (1991); AV Node
Term UI T003819
Date12/28/1989
LexicalTag NON
ThesaurusID NLM (1991)

Atrioventricular Node MeSH Descriptor Data 2026