Abbreviation Key
		| 
			aarteryaaarteriesantanteriora-vatrio-ventricularCCervicalCoCoccygealCNCranial NerveDdiencephalic neuromere or diencephalondmdermatomyotomeinfinferiorintinternalLLumbarlatlateralltleft | 
			Mmesencephalic neuromere or mesencephalonmedmedialnnerveOOccipitalPprosencephalonpostposteriorprimprimordialRrhombencephalonRhrhombomerertrightSSacralTThoracicvveinvvveins | 
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			Carnegie Embryo #4090   |   Location: 24-19
		
	
		
	Keywords: Co-1 spinal ganglion, S-1 spinal ganglion, S-2 spinal ganglion, S-3 spinal ganglion, S-4 spinal ganglion, S-5 spinal ganglion, artifact separation(s), central canal, edge of central canal, filum terminale, osteogenic layer, surface ectoderm
	
	Source: The Virtual Human Embryo.