septation of chambers

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The septation of chambers within the heart is secondary either to:

  • growth of one or two cell sheets across the space which fuse with the opposite wall or with each other respectively
  • relatively greater growth of the walls of the chamber compared to an existing ridge which partially spans the space

In the submenu, septation is considered by region within the heart; it must be emphasised that these processes are occurring simultaneously with each other and the growth of the heart:

  • common atrium
  • atrioventricular canal
  • derivatives of the bulbus cordis
  • ventricles

Last reviewed 01/2018