septation of chambers

Last reviewed 01/2018

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