PMID: 1203950Nov 12, 1975Paper

Neuronal migration during the early development of the cerebral cortex: a scanning electron microscopic study

Cell and Tissue Research
K Meller, W Tetzlaff

Abstract

Fixed cerebral vesicles of mouse foetuses were fractured and examined with the scanning electron microscope. This method provides a study of the three dimensional developmental features of the pseudostratified columnar epithelium up to the formation of the early cortex plate. Matrix cells are a cell population of homogeneous shape, however, mitotic cells are easily identified by their spherical form. The external surface of the brain is formed by the closely packed end feet of these cells covered by a basal membrane. The formation of the cortical plate is the result of a continuous cell migration in columnar arrangement towards the pia. Glioependymal cells extend along the whole brain wall and most likely provide guidance for the migrating cell cords. The formation of the so-called migratory zone is a consequence of the growth of the basal and the horizontal prolongations of emigrating cells. The significance of the cell to cell contacts for the neuronal migration processes is discussed.

Citations

Jan 1, 1987·Anatomy and Embryology·C PradaG Ramírez
Oct 1, 1992·Journal of Neurocytology·R Moore, J Price
Jan 1, 1991·Annals of the New York Academy of Sciences·J PriceE Grove
Sep 15, 1990·Experientia·C Walsh, C L Cepko
Sep 27, 1978·Anatomy and Embryology·E Raedler, A Raedler
Mar 10, 1982·The Journal of Comparative Neurology·J A HolleyM Morita
May 15, 1991·The Journal of Comparative Neurology·S A BayerJ A Simmons

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