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Carnegie Stage Section
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T-1 intercostal nerve, T-1 spinal ganglion, T-2 intercostal nerve, aorticopulmonary septum region, artifact fracture(s), axillary artery, central canal, head of rib 1, left atrium, left precardinal vein, left ventricle, musculi pectinati in right atrial wall, neural arch, phrenic nerve, retro-esophageal space, rib 2, rib 3, right precardinal vein, right ventricle, subarachnoid space, transverse sinus, undivided truncus arteriosus (proximal outflow tract)
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Carnegie Embryo #4430   |   Location: 17-17

Keywords: T-1 intercostal nerve, T-1 spinal ganglion, T-2 intercostal nerve, aorticopulmonary septum region, artifact fracture(s), axillary artery, central canal, head of rib 1, left atrium, left precardinal vein, left ventricle, musculi pectinati in right atrial wall, neural arch, phrenic nerve, retro-esophageal space, rib 2, rib 3, right precardinal vein, right ventricle, subarachnoid space, transverse sinus, undivided truncus arteriosus (proximal outflow tract)

Source: The Virtual Human Embryo.