Neural crest cells have been thought to originate in the ectoderm, the outermost of the three germ layers formed in the earliest stages of embryonic development. But their capacity to form derivatives ...

Proceedings of the Royal Society of London. Series B, Biological Sciences, Vol. 134, No. 876 (Jul. 2, 1947), pp. 377-398 (30 pages) A critical study and demonstration of the distribution of yolk ...

How do cells turn into organs? During embryonic development, three germ layers form, known as the endoderm, the mesoderm, and the ectoderm. These germ layers give rise to different parts of the ...

Neurodevelopment is an incredibly complex, but tightly controlled process governed by the sequential action of various genes. Neurodevelopment continues well after birth into early adolescence.