File:Cardiac Conduction System.jpg

From Embryology
Revision as of 13:24, 13 August 2014 by Z8600021 (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Original file(1,201 × 862 pixels, file size: 81 KB, MIME type: image/jpeg)

Cardiac Conduction System in the Adult Heart

Electrical conduction system of the heart occurs through specially modified cardiac muscle cells.

  • Week 7 GA - SA node initially develops in the sinus venosus and then is incorporated into the RA.
  • AV node arises slightly superior to the endocardial cushions.

  • SA node - sinoatrial node located on the anterior border of the opening of the superior vena cava.
  • AV node - atrioventricular node located near the orifice of the coronary sinus in the annular and septal fibres of the right atrium.
  • bundle of His
    • Left bundle branch
    • Right bundle branch
    • moderator band - primary conduction path in to the free wall originating from the right bundle branch.

Begin Advanced Heart Fields Heart Tubes Cardiac Looping Cardiac Septation Outflow Tract Valve Development Cardiac Conduction Cardiac Abnormalities Molecular Development
Cardiac Embryology     Begin Basic     Begin Intermediate     Begin Advanced  


<pubmed>19808465</pubmed> <pubmed>16148066</pubmed> <pubmed>20811536</pubmed> <pubmed>12382942</pubmed> <pubmed>20235167</pubmed>

Cite this page: Hill, M.A. (2024, April 24) Embryology Cardiac Conduction System.jpg. Retrieved from

What Links Here?
© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

File history

Click on a date/time to view the file as it appeared at that time.

current12:03, 14 March 2010Thumbnail for version as of 12:03, 14 March 20101,201 × 862 (81 KB)Z3212774 (talk | contribs)category:Heart ILP Cardiac conduction system in the adult heart.