Rathke's pouch eventually looses its connection with the pharynx. Connects centrally with the dorsal horn of the spinal cord. SHH function is different for different tissues in the embryo. In the nervous system, it is secreted by the notochord, ventralizes the neural tube, inducing the floor plate and motor neurons. Fluid generated by the specialized vascular network, the choroid plexus.
Neuroepithelial cells generate neurons, glia and ependymal cells.
In the brain it is the inner layer, in the spinal cord it is outer layer. This CD was made in 1997 and so the current Web Version has additional content. The document is for educational purposes and personal use only and should not be reproduced for other purposes. Not Relevant to this Practical Class. These documents can also be printed out.