Plate 	Image 	MK #  	EMAP:ID   	X         	Y         	MK Description		mouse012 Name (Synonyms)
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21a   	a     	1     	EMAPA:16653	2189      	3304      	forebrain (telencephalic vesicle) 	early telencephalic vesicle 
21a   	a     	2     	EMAPA:16540	2885      	3272      	optic stalk/optic vesicle 	optic vesicle 
21a   	a     	3     	EMAPA:16472	2549      	1080      	neuroepithelial lining of midbrain 	early midbrain (early mesencephalon)
21a   	a     	4     	EMAPA:16382	3501      	3840      	mandibular component of left first branchial arch 	1st branchial arch mandibular component 
21a   	a     	5     	EMAPA:16478	4125      	2432      	neuroepithelial lining of hindbrain 	early hindbrain (early rhombencephalon)
21a   	a     	6     	EMAPA:16204	2897      	7374      	dorsal aorta 	dorsal aorta 
21a   	a     	6     	EMAPA:16204	3813      	3456      	dorsal aorta 	dorsal aorta 
21a   	a     	6     	EMAPA:16204	4057      	6942      	dorsal aorta 	dorsal aorta 
21a   	a     	7     	EMAPA:16660	4437      	3368      	facio-acoustic (VII-VIII) neural crest complex 	facio-acoustic VII-VIII preganglion complex (facio-acoustic preganglion complex)
21a   	a     	8     	EMAPA:16685	3779      	4042      	first branchial arch artery 	1st arch artery (1st aortic arch artery, 1st branchial arch artery, 1st pharyngeal arch artery, first arch artery)
21a   	a     	9     	EMAPA:16669	4767      	3762      	left otic vesicle (otocyst) 	otocyst (otic vesicle)
21a   	a     	10    	EMAPA:16686	4175      	4370      	second branchial arch artery 	2nd arch artery (2nd aortic arch artery, 2nd branchial arch artery, 2nd pharyngeal arch artery)
21a   	a     	11    	EMAPA:16687	4571      	4742      	third branchial arch artery 	3rd arch artery (3rd aortic arch artery, 3rd branchial arch artery, 3rd pharyngeal arch artery)
21a   	a     	12    	EMAPA:16689	3903      	5390      	left component of common atrial chamber 	 
21a   	a     	13    	EMAPA:16282	4095      	6058      	pericardio-peritoneal canal 	pericardio-peritoneal canal 
21a   	a     	14    	EMAPA:16728	3772      	6307      	lung bud 	lung 
21a   	a     	15    	EMAPA:16138	3579      	7078      	intra-embryonic coelomic cavity (peritoneal cavity) 	peritoneal cavity 
21a   	a     	16    	EMAPA:16530	2139      	7934      	neural tube (cut obliquely) 	neural tube 
21a   	a     	17    	EMAPA:16533	2299      	7450      	neural lumen 	neural lumen 
21a   	a     	18    	EMAPA:16191	2278      	7339      	notochord 	notochord 
21a   	a     	19    	EMAPA:16546	3503      	5142      	atrio-ventricular canal 	atrioventricular canal (atrio-ventricular canal, ependymal canal)
21a   	a     	20    	EMAPA:16350	2699      	5103      	trabeculation in myocardial wall of common ventricular chamber of heart	primitive ventricle 
21a   	a     	21    	EMAPA:16543	2816      	4538      	olfactory placode 	olfactory placode 
21a   	a     	22    	EMAPA:16757	799       	3623      	neural tube in tail region 	tail neural tube 
21a   	a     	23    	EMAPA:16184	915       	2631      	somite 	trunk somite