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Carnegie Stage Section
C-8 spinal ganglion, centrum of C-7 vertebra, common carotid artery, deltoid muscle, epithelial plug in naris, hand, hemisternum, levator scapulae muscle, lower lip, middle trunk of brachial plexus (C-7), nasal septum, neural arch of C-7 vertebra, notochord, pectoralis major muscle, semispinalis cervicis muscle, splenius muscle, sternohyoid muscle, sternothyroid muscle, sympathetic trunk, thymus gland, trachea, upper lip, upper trunk of brachial plexus (C-5, C-6)
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Carnegie Embryo #4090   |   Location: 13-17

Keywords: C-8 spinal ganglion, centrum of C-7 vertebra, common carotid artery, deltoid muscle, epithelial plug in naris, hand, hemisternum, levator scapulae muscle, lower lip, middle trunk of brachial plexus (C-7), nasal septum, neural arch of C-7 vertebra, notochord, pectoralis major muscle, semispinalis cervicis muscle, splenius muscle, sternohyoid muscle, sternothyroid muscle, sympathetic trunk, thymus gland, trachea, upper lip, upper trunk of brachial plexus (C-5, C-6)

Source: The Virtual Human Embryo.