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Evidence Mounts Against Mainstream Dogma In Embryology, Could Shed New Light On Neurological Defects

Date:
September 10, 1998
Source:
Carnegie Institution
Summary:
New work on zebrafish development is about to complicate a debate already brewing among embryologists. According to the mainstream dogma, the notochord, a rod-like structure that precedes the vertebral column in vertebrate embryos, signals neural cells to induce the formation of floor plate, a crucial row of cells that lies along the floor of the ventral brain and spinal cord. This belief has come under fire recently, as new data about floor plate development cast doubt on the authoritative role of the notochord.

New work on zebrafish development is about to complicate a debate already brewing among embryologists. According to the mainstream dogma, the notochord, a rod-like structure that precedes the vertebral column in vertebrate embryos, signals neural cells to induce the formation of floor plate, a crucial row of cells that lies along the floor of the ventral brain and spinal cord. This belief has come under fire recently, as new data about floor plate development cast doubt on the authoritative role of the notochord.


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The above story is based on materials provided by Carnegie Institution. Note: Materials may be edited for content and length.


Cite This Page:

Carnegie Institution. "Evidence Mounts Against Mainstream Dogma In Embryology, Could Shed New Light On Neurological Defects." ScienceDaily. ScienceDaily, 10 September 1998. <www.sciencedaily.com/releases/1998/09/980910071321.htm>.
Carnegie Institution. (1998, September 10). Evidence Mounts Against Mainstream Dogma In Embryology, Could Shed New Light On Neurological Defects. ScienceDaily. Retrieved April 25, 2014 from www.sciencedaily.com/releases/1998/09/980910071321.htm
Carnegie Institution. "Evidence Mounts Against Mainstream Dogma In Embryology, Could Shed New Light On Neurological Defects." ScienceDaily. www.sciencedaily.com/releases/1998/09/980910071321.htm (accessed April 25, 2014).

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