+Germ layers are fundamental cell groups that arise in early [Embryo Development](/wiki/embryo_development). From these primary sheets, all specialized tissues and organs of an [Animal Body](/wiki/animal_body) beautifully unfold.
+## See also
+- [Ectoderm](/wiki/ectoderm)
+- [Mesoderm](/wiki/mesoderm)
+- [Endoderm](/wiki/endoderm)
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