![](/drem/stage12/labels/S111L.gif)
![aortic sac, dermatomyotome 1 (O-1), dorsal aorta, perinotochordal lamina, pharyngeal arch 3, pharyngeal groove 1, pharyngeal groove 2, pharyngeal groove 3, pharyngeal pouch 3, precardinal vein](/drem/stage12/Z0/S111N.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #8943 | Location: 03-02-09
Keywords: aortic sac, dermatomyotome 1 (O-1), dorsal aorta, perinotochordal lamina, pharyngeal arch 3, pharyngeal groove 1, pharyngeal groove 2, pharyngeal groove 3, pharyngeal pouch 3, precardinal vein
Source: The Virtual Human Embryo.