Abbreviation Key
		| 
			aarteryaaarteriesantanteriora-vatrio-ventricularCCervicalCoCoccygealCNCranial NerveDdiencephalic neuromere or diencephalondmdermatomyotomeinfinferiorintinternalLLumbarlatlateralltleft | 
			Mmesencephalic neuromere or mesencephalonmedmedialnnerveOOccipitalPprosencephalonpostposteriorprimprimordialRrhombencephalonRhrhombomerertrightSSacralTThoracicvveinvvveins | 
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			Carnegie Embryo #9325   |   Location: 4-4-6
		
	
		
	Keywords: accessory nerve (CN XI), alar plate(s), basal plate, cerebral aqueduct (mesocoele), decussation in floor plate, mesencephalon, metencephalon, myelencephalon, rhombencoel (fourth ventricle), roof plate, sulcus limitans, trochlear nerve (CN IV)
	
	Source: The Virtual Human Embryo.