Back to Medium sized version | With labels Embryology of chicken; head 72 hours after fertilization
 Legend:
1 auditory vesicle
2 myelencephalon
3 metencephalon
4 amnion
5 mesencephalon
6 Optic cup
7 lens
8 diencephalon
9 epiphysis
10 telencephalon
11 olfactory pit
English name: Common chicken
Scientific name: Gallus domesticus
Familia: Phasianidae/Meleagridae
Classis: Aves
Phylum: Chordata (subphylum vertebrata)
Regnum: Animalia
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