embryo
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• lack of blood and vasculature in the extra-embryonic yolk-sac, which fails to completely surround the whole embryo
|
|
• absent
|
cardiovascular system
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• lack of blood and vasculature in the extra-embryonic yolk-sac, which fails to completely surround the whole embryo
|
hematopoietic system
|
• absent
|


Analysis Tools