| Septum intermedium | |
|---|---|
 Interior of dorsal half of heart of human embryo of about thirty-five days. | |
 Same heart as in Fig. 467, opened on right side. | |
| Details | |
| Days | 35 |
| Anatomical terminology | |
Endocardial cushions project into theatrial canal, and, meeting in the middle line, unite to form theseptum intermedium which divides the canal into two channels, the future right and left atrioventricular orifices.
This article incorporates text in thepublic domain frompage 512 of the 20th edition ofGray's Anatomy(1918)
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