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Embryology of chicken; 33 hours after fertilization
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
