Abbreviation Key
		| 
			aarteryaaarteriesantanteriora-vatrio-ventricularCCervicalCoCoccygealCNCranial NerveDdiencephalic neuromere or diencephalondmdermatomyotomeinfinferiorintinternalLLumbarlatlateralltleft | 
			Mmesencephalic neuromere or mesencephalonmedmedialnnerveOOccipitalPprosencephalonpostposteriorprimprimordialRrhombencephalonRhrhombomerertrightSSacralTThoracicvveinvvveins | 
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			Carnegie Embryo #4090   |   Location: 3-17
		
	
		
	Keywords: artifact space(s), cerebral aqueduct (mesocoele), head mesenchyme, mesencephalon, osteogenic layer, rhombencoel (fourth ventricle), subarachnoid space, surface ectoderm, tectum of mesencephalon, trochlear nerve (CN IV), vascular plexus
	
	Source: The Virtual Human Embryo.