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Carnegie Stage Section
C-7 spinal ganglion, C-7 ventral primary ramus, aorta, ascending aorta, axillary artery, brachial plexus, carpus, central canal, dorsal fasciculus, hand ray, inferior cervical sympathetic ganglion, infundibulum of right ventricle, left atrium, left vagus nerve (CN X), pectoralis major muscle, precardinal vein, pulmonary semilunar valve, pulmonary trunk, retro-esophageal space, right atrium, right vagus nerve (CN X), subclavian artery, trabecular part of right ventricle, ventral horn of grey matter
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Carnegie Embryo #4430   |   Location: 16-21

Keywords: C-7 spinal ganglion, C-7 ventral primary ramus, aorta, ascending aorta, axillary artery, brachial plexus, carpus, central canal, dorsal fasciculus, hand ray, inferior cervical sympathetic ganglion, infundibulum of right ventricle, left atrium, left vagus nerve (CN X), pectoralis major muscle, precardinal vein, pulmonary semilunar valve, pulmonary trunk, retro-esophageal space, right atrium, right vagus nerve (CN X), subclavian artery, trabecular part of right ventricle, ventral horn of grey matter

Source: The Virtual Human Embryo.