TeachMeFinance.com - explain Germ layers
Germ layers The term 'Germ layers' as it applies to the area of stem cell research can be defined as 'After the blastocyst stage of embryonic development, the inner cell mass of the blastocyst goes through gastrulation, a period when the inner cell mass becomes organized into three distinct cell layers, called germ layers. The three layers are the ectoderm, the mesoderm, and the endoderm'.
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