Abbreviation Key
		| 
			aarteryaaarteriesantanteriora-vatrio-ventricularCCervicalCoCoccygealCNCranial NerveDdiencephalic neuromere or diencephalondmdermatomyotomeinfinferiorintinternalLLumbarlatlateralltleft | 
			Mmesencephalic neuromere or mesencephalonmedmedialnnerveOOccipitalPprosencephalonpostposteriorprimprimordialRrhombencephalonRhrhombomerertrightSSacralTThoracicvveinvvveins | 
		close
	 
	 
	
	
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		![aortic arch 1, cephalic neuropore, conotruncus, dorsal aorta, head fold region, head mesenchyme, neural fold [rhombencephalon (Rh. A)], pericardial cavity, pharyngeal pouch 1, pharyngeal pouch 1 endoderm: dorsal part, pharyngeal pouch 1 endoderm: ventral part](/drem/stage10/Z3/S61Z3.jpg) 
		
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			Carnegie Embryo #6330   |   Location: 01-05-09
		
	
		
	Keywords: aortic arch 1, cephalic neuropore, conotruncus, dorsal aorta, head fold region, head mesenchyme, neural fold [rhombencephalon (Rh. A)], pericardial cavity, pharyngeal pouch 1, pharyngeal pouch 1 endoderm: dorsal part, pharyngeal pouch 1 endoderm: ventral part
	
	Source: The Virtual Human Embryo.