Search on: ATRIOVENTRICULAR BUNDLE 
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Descriptor English:   Bundle of His 
Descriptor Spanish:   Fascículo Atrioventricular 
Descriptor Portuguese:   Fascículo Atrioventricular 
Synonyms English:   Atrioventricular Bundle  
Tree Number:   A07.541.409.273
Definition English:   Small band of specialized CARDIAC MUSCLE fibers that originates in the ATRIOVENTRICULAR NODE and extends into the membranous part of the interventricular septum. The bundle of His, consisting of the left and the right bundle branches, conducts the electrical impulses to the HEART VENTRICLES in generation of MYOCARDIAL CONTRACTION. 
See Related English:   Bundle-Branch Block
 
History Note English:   91(75); was see under HEART CONDUCTION SYSTEM 1975-90 
Allowable Qualifiers English:  
AB abnormalities AH anatomy & histology
CH chemistry CY cytology
DE drug effects EM embryology
EN enzymology GD growth & development
IM immunology IN injuries
ME metabolism MI microbiology
PS parasitology PA pathology
PH physiology PP physiopathology
RE radiation effects RA radiography
RI radionuclide imaging SE secretion
SU surgery TR transplantation
US ultrasonography UL ultrastructure
VI virology  
Record Number:   2069 
Unique Identifier:   D002036 

Occurrence in VHL:
 

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