Science Fair Project Encyclopedia
Organogenesis
Organogenesis is a stage of animal development where the ectoderm, endoderm, and mesoderm are formed.
The germ layers in organogenesis differ by three processes: folds, splits, and condensation. Developing early during this stage in chordaye animals are the neural tube and notochord. Vertebrate animals all differ from the gastrula the same way. Vertebrates develop a neural crest that differentiates into the skull's bones and muscles and peripheral components of the nervous system. The coelom of the body forms from a split of the mesoderm along the somite axis.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details