page_title: Septum intermedium
hierarchical_section_title: Septum intermedium
context_page_description: Endocardial cushions project into the atrial canal, and, meeting in the middle line, unite to form the septum intermedium which divides the canal into two channels, the future right and left atrioventricular orifices.
context_section_description: Endocardial cushions project into the atrial canal, and, meeting in the middle line, unite to form the septum intermedium which divides the canal into two channels, the future right and left atrioventricular orifices.
caption: Same heart as in Fig. 467, opened on right side.
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