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Carnegie Stage Section
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T-4 / T-5 interganglion region, allantois, azygos vein, latissimus dorsi muscle, left lobe of liver, left umbilical artery, left ventricle, lower secondary bronchus, primary interatrial septum (septum primum), rib 5, right atrium, right lobe of liver, right umbilical artery, right ventricle, serratus anterior muscle, sinus venosus, trapezius muscle, umbilical vein, upper lobe of left lung
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Carnegie Embryo #4090   |   Location: 17-3

Keywords: T-4 / T-5 interganglion region, allantois, azygos vein, latissimus dorsi muscle, left lobe of liver, left umbilical artery, left ventricle, lower secondary bronchus, primary interatrial septum (septum primum), rib 5, right atrium, right lobe of liver, right umbilical artery, right ventricle, serratus anterior muscle, sinus venosus, trapezius muscle, umbilical vein, upper lobe of left lung

Source: The Virtual Human Embryo.