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projets correspondantsplaque neuraleneurulationembryonChordésneuroectodermetube neural





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Gouttière neurale (neural groove).


La gouttière neurale est le sillon qui se forme par invagination de la plaque neurale au cours de la neurulation de l'embryon chez les Chordés. Cette invagination soulève les bords de la plaque neurale qui s'épaississent en bourrelets neuraux : ces deux bords du neuroectoderme se rapprochent et s'unissent ensuite jusqu'à former le tube neural.


Elle correspond à l'étape intermédiaire de la neurulation qui comporte 3 stades : plaque neurale, gouttière neurale et tube neural[1].



Notes et références |




  1. ↑ Édouard Ghanassia, Virginie Procureur, Embryologie : Biologie du développement et de la reproduction, De Boeck Secundair, 1999(lire en ligne), p. 74



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