During gastrulation, the mesoderm is formed as epiblast cells ingress through the primitive streak to form a layer between the epiblast and the definitive endoderm. The mesoderm differentiates into three columns of tissue on either side of the midline: the paraxial, intermediate and lateral plates.
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Formed on day 16 in humans.
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Multiple AncestorsSingle AncestorNo DescendantsDevelops fromPart of Parent