![](/drem/stage12/labels2/S156L.gif)
![cephalic part of dermatomyotome 4 (O-4), dorsal aorta, interatrial foramen (primum), left atrium, left ventricle, origin of dorsal intersegmental artery, pericardial cavity, perinotochordal lamina, pharynx, precardinal vein, rhombencephalon (Rh. D), right atrium, right ventricle, ultimopharyngeal pouch](/drem/stage12/Z0/S156N.jpg)
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0 μm
Carnegie Embryo #8943 | Location: 04-02-04
Keywords: cephalic part of dermatomyotome 4 (O-4), dorsal aorta, interatrial foramen (primum), left atrium, left ventricle, origin of dorsal intersegmental artery, pericardial cavity, perinotochordal lamina, pharynx, precardinal vein, rhombencephalon (Rh. D), right atrium, right ventricle, ultimopharyngeal pouch
Source: The Virtual Human Embryo.