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Carnegie Stage Section
T-3 spinal ganglion, arch of azygos vein, ascending aorta, auricle of left atrium, auricle of right atrium, brachial artery, descending aorta, dorsal horn of grey matter, ductus arteriosus, external intercostal muscle(s), head of radius, humerus, internal intercostal muscle(s), lateral horn of grey matter, left vagus nerve (CN X), palmar aponeurosis, pectoralis major muscle, rhomboid major muscle, rib 3 (costal cartilage), rib 4, right vagus nerve (CN X), scapula, shaft of rib 3, sternocostal muscle, superior vena cava, sympathetic trunk, tracheal bifurcation, ventral horn of grey matter, vestibule of right ventricle
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Carnegie Embryo #9226   |   Location: 107-01-01

Keywords: T-3 spinal ganglion, arch of azygos vein, ascending aorta, auricle of left atrium, auricle of right atrium, brachial artery, descending aorta, dorsal horn of grey matter, ductus arteriosus, external intercostal muscle(s), head of radius, humerus, internal intercostal muscle(s), lateral horn of grey matter, left vagus nerve (CN X), palmar aponeurosis, pectoralis major muscle, rhomboid major muscle, rib 3 (costal cartilage), rib 4, right vagus nerve (CN X), scapula, shaft of rib 3, sternocostal muscle, superior vena cava, sympathetic trunk, tracheal bifurcation, ventral horn of grey matter, vestibule of right ventricle

Source: The Virtual Human Embryo.