![](/drem/stage21/labels2/S201L.gif)
![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)](/drem/stage21/Z0/S201N.jpg)
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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.