Gastrulation Movements

Cell migrations that establish three germ layers: ectoderm, mesoderm, and endoderm.

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Gastrulation and Formation of the Trilaminar Germ Disk in Embryology

This concept covers gastrulation in embryology: the growth-factor-mediated process by which the epiblast layer of the bilaminar embryonic disc reorganizes into three germ layers (ectoderm, mesoderm, …