+The [Ectoderm](/wiki/ectoderm) is one of the three primary [Germ Layers](/wiki/germ_layer) that arise during early animal embryonic development. It gives rise to the outermost tissues, such as skin and hair, and forms the entire [Nervous System](/wiki/nervous_system) and sense organs.
+## See also
+- [Mesoderm](/wiki/mesoderm)
+- [Endoderm](/wiki/endoderm)
+- [Embryo Development](/wiki/embryo_development)
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