1 Introduction.- 2 Nomenclature.- 3 Material and Methods.- 4 Neopallial Wall.- 4.1 Perikarya and Nuclei.- 4.2 Inner and Outer Processes.- 4.3 Ventricular (Apical) Ends.- 4.4 Pial (Basal) Ends.- 4.5 Relations Between Columnar Cells.- 4.6 Mitotic Cells.- 4.7 Nerve Cells.- 4.8 Surrounding Tissues.- 5 Area Choroidea.- 5.1 Perikarya and Nuclei.- 5.2 Inner and Outer Processes.- 5.3 Apical Portions (Bulbous Protrusions).- 5.4 Basal Portions.- 5.5 Relations Between Roof Cells.- 5.6 Cell Death.- 5.7 Comparison Between Columnar Cells in the Area Choroidea and the Telencephalic Wall.- 6 Discussion: Neopallial Wall.- 6.1 Nature of Columnar Cells.- 6.2 Columnar Cell Mitosis and Radial Growth.- 6.3 Cytogenesis of Columnar Cells.- 6.4 Organogenesis of the Telencephalic Wall.- 6.5 Functions of Columnar Cells.- 7 Discussion: Area Choroidea.- 7.1 Epithelial Polarity.- 7.2 Metabolic Functions.- 7.3 Transport of Fluid.- 7.4 Area Choroidea as a Gland.- 7.5 Absorptive Functions.- 8 Summary.- References.
