protostome wikipedia - EAS
- Protostome From Wikipedia, the free encyclopedia Protostomia (/ ˌproʊtəˈstoʊmi.ə /) is the clade of animals once thought to be characterized by the formation of the organism's mouth before its anus during embryonic development.en.wikipedia.org/wiki/Protostome
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Protostome - Wikipedia
Protostomia is the clade of animals once thought to be characterized by the formation of the organism's mouth before its anus during embryonic development. This nature has since been discovered to be extremely variable among Protostomia's members, although the reverse is typically true of
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Xem thêmIn animals at least as complex as earthworms, the first phase in gut development involves the embryo forming a dent on one side (the blastopore) which deepens to become its digestive tube (the archenteron).
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Protostome - Simple English Wikipedia, the free encyclopedia
Protostome - Wikipedia
Protostomia — Wikipédia
• Gastroneuralia Ulrich, 1951
Les Protostomiens ou Protostomes (Protostomia) constituent un très grand clade d'animaux bilatériens . Il s'agit du groupe frère des deutérostomiens.
Ce groupe a été historiquement caractérisé sur des critères embryologiques, notamment le devenir du blastoderme. Celui-ci donnerait la bouche lors du dév…Wikipedia · Nội dung trong CC-BY-SA giấy phépProtostomer – Wikipedia
Protostomia - Wikipedia
Protostomia - Wikipedia
Protostomia - Wikipedia
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