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Descripteurs (mots clés)
Thésaurus Mesh
> G > Gastrula
Gastrula
The developmental stage that follows BLASTULA. It is characterized by the morphogenetic cell movements including invagination, ingression, and involution. Gastrulation begins with the formation of the PRIMITIVE STREAK, and ends with the formation of three GERM LAYERS, the body plan of the mature organism.
The opening of the archenteron, central cavity of gastrula, which is formed by invagination of the BLASTULA. Archenteron gives rise to the alimentary canal of the DIGESTIVE SYSTEM.
The opening of the archenteron, central cavity of gastrula, which is formed by invagination of the BLASTULA. Archenteron gives rise to the alimentary canal of the DIGESTIVE SYSTEM.
Synonyme(s)
Blastopore; Archentéron; Estomac embryonnaire; Intestin primitifRelation(s)
- voir aussi au terme générique : [Descripteurs (mots clés)] Embryon de non mammifère
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