![](/drem/stage12/labels2/S128L.gif)
![caudal edge of dermatomyotome 2 (O-2), cephalic parts of conus cordis, dorsal aorta, ectodermal ring, junction of conus cordis and truncus arteriosus, left atrium, pericardial cavity, pharyngeal pouch 4 recess, precardinal vein, truncus arteriosus](/drem/stage12/Z0/S128N.jpg)
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Carnegie Embryo #8943 | Location: 03-04-06
Keywords: caudal edge of dermatomyotome 2 (O-2), cephalic parts of conus cordis, dorsal aorta, ectodermal ring, junction of conus cordis and truncus arteriosus, left atrium, pericardial cavity, pharyngeal pouch 4 recess, precardinal vein, truncus arteriosus
Source: The Virtual Human Embryo.