Abbreviation Key
		| 
			aarteryaaarteriesantanteriora-vatrio-ventricularCCervicalCoCoccygealCNCranial NerveDdiencephalic neuromere or diencephalondmdermatomyotomeinfinferiorintinternalLLumbarlatlateralltleft | 
			Mmesencephalic neuromere or mesencephalonmedmedialnnerveOOccipitalPprosencephalonpostposteriorprimprimordialRrhombencephalonRhrhombomerertrightSSacralTThoracicvveinvvveins | 
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			Carnegie Embryo #4430   |   Location: 28-20
		
	
		
	Keywords: Co-1 spinal nerve, S-1 spinal ganglion, S-2 spinal ganglion, S-3 ventral root, S-4 spinal nerve, S-5 spinal nerve, central canal, filum terminale, intermediate zone, marginal zone, subarachnoid space, thigh, ventricular zone
	
	Source: The Virtual Human Embryo.