Pluripotent ES cells can develop into many types of differentiated tissues if they are placed back into a differentiating environment. Often, differentiation proceeds through an intermediate stage called the embryoid body (EB). EBs can be manipulated further to generate more differentiated cell types. This protocol describes a method for differentiation of ES cells into EBs. - [Read Differentiating Embryonic Stem (ES) Cells into Embryoid Bodies Protocol]
An appropriate term for glial fibers is 'nerve glue', because they provide the internal support of the central nervous system. There are four types of glial cells: astrocytes, oligosendroglia,microglia, and ependymal cells. The glia fibers are stained with crystal violet which are resistant to the aniline-chloroform differentiating solution. - [Read Holzer's Stain Protocol]