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Carnegie Stage Section
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C-8 spinal ganglion, C-8 spinal nerve, anterior spinal artery, chin, deltoid muscle, esophagus endoderm, head of humerus, left brachiocephalic vein, metacarpal 2, middle trunk of brachial plexus (C-7), naris, neural arch, nose, oral fissure, pectoralis major muscle, right brachiocephalic vein, scapula, thymus gland, trapezius muscle, upper lip
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Carnegie Embryo #4090   |   Location: 13-19

Keywords: C-8 spinal ganglion, C-8 spinal nerve, anterior spinal artery, chin, deltoid muscle, esophagus endoderm, head of humerus, left brachiocephalic vein, metacarpal 2, middle trunk of brachial plexus (C-7), naris, neural arch, nose, oral fissure, pectoralis major muscle, right brachiocephalic vein, scapula, thymus gland, trapezius muscle, upper lip

Source: The Virtual Human Embryo.