Abbreviation Key
		| 
			aarteryaaarteriesantanteriora-vatrio-ventricularCCervicalCoCoccygealCNCranial NerveDdiencephalic neuromere or diencephalondmdermatomyotomeinfinferiorintinternalLLumbarlatlateralltleft | 
			Mmesencephalic neuromere or mesencephalonmedmedialnnerveOOccipitalPprosencephalonpostposteriorprimprimordialRrhombencephalonRhrhombomerertrightSSacralTThoracicvveinvvveins | 
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			Carnegie Embryo #4430   |   Location: 28-16
		
	
		
	Keywords: Co-1 ventral primary ramus, S-1 spinal ganglion, S-2 spinal ganglion, S-3 spinal nerve, S-4 spinal nerve, S-5 ventral primary ramus, caudal eminence, central canal, coccyx, edge of foot, filum terminale, osteogenic layer, subarachnoid space
	
	Source: The Virtual Human Embryo.