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150 Early development, chick embryo
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Chick embryo
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24 hours old chick embryo 1 . proamnion 3. neural folds 4. somites 5 . neuroporus anterior 6 . neural tube
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33 hours old chick embryo 1. area vasculosa 2. blood islands 3. somites 4. spinal cord 5. non-segmented paraxial mesodermal plate 6. neural folds 7. primitive streak
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33 hours old chick embryo 8 Infundibulum 9. Proamnion
10. Mesencephalon 11. Caudální oblast subencephalické kapsy 12. Metencephalon 13. Neuromery v oblasti myelencephala štěrbina mezi somity 15. Notochord pod rozšířenou neurální brázdou
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48 hours old chick embryo 1. stomodeum 2. optic vesicle
3. maxillary process 4. notochord 5. isthmus 6. mandibullar process 7. otic vesicle 8. 2nd branchial cleft 9. 3rd branchial cleft 10. caudal intestinal portal
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Embryo in the neurulation period
chick 2ED human 3 weeks
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Chick embryo 3ED and human embryo 5th week
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Chick embryo 4ED and human embryo 5th week
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Developmental stages Hamburgera- Hamiltona
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Neurulation – neural tube is closed somites laterally
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Chick embryo, stage HH9 head region
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Neurulation
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Neurulation HH9 trunk
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Neurulation – neural groove, neural folds before fusion in midline
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Chick embryop HH9 – caudal region
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