Cytokeratins in Intracranial and Intraspinal Tissues

1 Introduction.
1.1 The Cytokeratins as a Member of the Intermediate Filament Protein Family.
1.2 Coexpression of Intermediate Filaments.
1.3 The Aim of This Study.
2 Methodological Aspects.
3 Fetal Development of Neuroectodermal Structures.
4 Choroid Plexus and Ependyma.
5 The Subcommissural Organ.
6 Ciliary and Retinal Pigment Epithelia of the Eye.
7 Heterogeneity in the Immunolocalization of Cytokeratin-Specific Monoclonal Antibodies in Neuroectodermal Structures.
8 The Arachnoidea.
9 Pituitary Gland Epithelia and Adenomas.
9.1 Endocrine Cells and Pituitary Adenomas.
9.2 Folliculostellate Cells and Rathke’s Cysts.
10 Cytokeratin in Glial Cells and in Tumors of Glial Origin.
11 Cytokeratins in Nerve Cells.
12 Neural Crest Derivatives.
13 Cytokeratin Expression in Tumors of Neuroectodermal Origin.
14 Implications on Cell Function and Differentation.
15 Conclusions.
16 Summary.
Refference.
Note Added in proof.