Neural plate

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Neural plate
Carnegie stage 9
Days 19
Precursor ectoderm
Gives rise to neural folds
Dorlands/Elsevier p_23/12645751

In human embryology, formation of neural plate is the first step of neurulation. It is created by a flat thickening opposite to the primitive streak.

As it develops, it becomes surrounded by neural folds, which eventually create the cylindrical neural tube. This process is termed primary neurulation.

The inhibitory signals chordin, noggin and follistatin are needed to form the neural plate.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.