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Embryology of chicken; 33 hours after fertilization
	- Large (132 Kb) - Scroll down to information With labels Legend: 1 proamnion 2 prosencephalon 3 mesencephalon 4 rhombencephalon 5 somite 6 optic vesicle 7 border of foregut 8 notochord (shining through) 9 heart 10 lateral mesoderm 11 neural tube 12 sinus rhomboidalis 13 primitive streak 14 blood island
English name: Common chicken Scientific name: Gallus domesticus Familia: Phasianidae/Meleagridae Classis: Aves Phylum: Chordata (subphylum vertebrata) Regnum: Animalia