Changes

==Introduction==

==Introduction==

==Neural Tube Development==

==Neural Tube Development==

[[Image:neuraltube.png|right|thumb|250px|Catcasillas 2010. Shh and BMP gradient in the vertebrate neural tube]]

[[Image:neuraltube.jpg|right|thumb|250px|Catcasillas 2010. Shh and BMP gradient in the vertebrate neural tube]]

The neural tube is one cell thick. The lumen of the neural tube enlarges as cells at the periphery of the lumen divide under mitosis. Cell division is governed by oscillations of the nucleus. When the nucleus reaches the luminal side of cell, the cell undergoes mitosis.

The neural tube is one cell thick. The lumen of the neural tube enlarges as cells at the periphery of the lumen divide under mitosis. Cell division is governed by oscillations of the nucleus. When the nucleus reaches the luminal side of cell, the cell undergoes mitosis.