![](/drem/stage13/labels2/S85L.gif)
![C-1 spinal ganglion primordium, caudal edge of pharyngeal arch 2, dermatomyotome 5 (C-1), dermatomyotome 6 (C-2), dorsal aorta, dorsal thalamus (diencephalon), left atrium, mandibular prominence of pharyngeal arch 1, optic vesicle, pericardial cavity, prosencoel (third ventricle), tracheo-esophageal tube, truncus arteriosus](/drem/stage13/Z0/S85N.jpg)
![](/drem/rulerbg.png)
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Carnegie Embryo #836 | Location: 05-03-05
Keywords: C-1 spinal ganglion primordium, caudal edge of pharyngeal arch 2, dermatomyotome 5 (C-1), dermatomyotome 6 (C-2), dorsal aorta, dorsal thalamus (diencephalon), left atrium, mandibular prominence of pharyngeal arch 1, optic vesicle, pericardial cavity, prosencoel (third ventricle), tracheo-esophageal tube, truncus arteriosus
Source: The Virtual Human Embryo.