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Carnegie Stage Section
T-3 spinal ganglion, aorta, auricle of left atrium, auricle of right atrium, cephalic edge of liver, digits (fingers), extensor muscles in forearm, head of rib 4, iliocostalis muscle, junction of right atrium and superior vena cava, longissimus muscle, muscular interventricular septum, primary bronchus, spinalis muscle, trabecular part of left ventricle, trabecular part of right ventricle, ulna, ulnar nerve, upper lobe of left lung, upper lobe of right lung
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Carnegie Embryo #4090   |   Location: 16-1

Keywords: T-3 spinal ganglion, aorta, auricle of left atrium, auricle of right atrium, cephalic edge of liver, digits (fingers), extensor muscles in forearm, head of rib 4, iliocostalis muscle, junction of right atrium and superior vena cava, longissimus muscle, muscular interventricular septum, primary bronchus, spinalis muscle, trabecular part of left ventricle, trabecular part of right ventricle, ulna, ulnar nerve, upper lobe of left lung, upper lobe of right lung

Source: The Virtual Human Embryo.