Germ layer
A germ layer, primary germinal layer, or germinal layer is a primary layer of cells that forms during animal embryonic development. Germ layers form during gastrulation, when the early embryo is formed of two or three layers of cells.
A germ layer, primary germinal layer, or germinal layer is a primary layer of cells that forms during animal embryonic development. Germ layers form during gastrulation, when the early embryo is formed of two or three layers of cells.
A germ layer, primary germinal layer, or germinal layer is a primary layer of cells that forms during animal embryonic development. Germ layers form during gastrulation, when the early embryo is formed of two or three layers of cells.
Source: Wikipedia "Germ layer" · CC BY-SA 4.0
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