![](/drem/stage13/labels2/S107L.gif)
![common atrioventricular canal, common cardinal vein, dermatomyotome 7 (C-3), endocardium, epimyocardium, esophagus primordium, intraretinal space (optic vesicle cavity), left atrium, left lung bud, notochord, postcardinal vein, prosencoel (third ventricle), right atrium, sinu-atrial foramen, sinus venosus](/drem/stage13/Z0/S107N.jpg)
![](/drem/rulerbg.png)
0 μm
Carnegie Embryo #836 | Location: 07-01-03
Keywords: common atrioventricular canal, common cardinal vein, dermatomyotome 7 (C-3), endocardium, epimyocardium, esophagus primordium, intraretinal space (optic vesicle cavity), left atrium, left lung bud, notochord, postcardinal vein, prosencoel (third ventricle), right atrium, sinu-atrial foramen, sinus venosus
Source: The Virtual Human Embryo.