Primitive node
Organisational structure in early vertebrate embryogenesis / From Wikipedia, the free encyclopedia
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The primitive node (or primitive knot) is the organizer for gastrulation in most amniote embryos. In birds it is known as Hensen's node, and in amphibians it is known as the Spemann-Mangold organizer. It is induced by the Nieuwkoop center in amphibians, or by the posterior marginal zone in amniotes including birds.
Quick Facts Details, Days ...
Primitive node | |
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Details | |
Days | 17 |
Identifiers | |
Latin | nodus primitivus |
Anatomical terminology |
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