Germ layer - Wikipedia, the free encyclopedia
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A germ layer is a group of cells, formed during animal embryogenesis. Germ layers are particularly pronounced in the vertebrates; however, all animals more complex than sponges (eumetazoans and agno...
en.wikipedia.org/wiki/Germ_layer
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They are the Ectoderm (shown in the diagram as blue), Mesoderm (red) and Endoderm (yellow). Following gastrulation, various cell lineages are derrived from these three primary cell types. For example, the Ectoderm gives rise to the epidermis and its derrivatives such as nails, hair and teeth.
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www.luc.edu/faculty/wwasser/dev/layer.htm
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ECTODERM WEB SOLUTIONS.
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www.ectoderm.com/
www.ectoderm.com/
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The ectoderm is the start of a tissue that covers the body surfaces. It emerges first and forms from the outermost of the germ layers. ... In vertebrates, the ectoderm has three parts: external ectoderm (also known as surface ectoderm), the neural crest, and neural tube. The latter two are known as neuroectoderm.
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www.wikidoc.org/index.php/Ectoderm
www.wikidoc.org/index.php/Ectoderm
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Definition from Wiktionary, a free dictionary ... Jump to: navigation, search ... Singular; ectoderm...
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en.wiktionary.org/wiki/ectoderm
en.wiktionary.org/wiki/ectoderm
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