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Original study and a review of the pertinent literature are presented in this monograph on the early development of the neopallial wall and the choroidal area in vertebrates before the appearance of nerve cells. In the pre-neural period the telencephalic wall is a cohesive, non-stratified epithelial sheet of elongated, radially ...
The Early Development of the Neopallial Wall and Area Choroidea in Fetal Rats: A Light and Electron Microscopic Study
Original study and a review of the pertinent literature are presented in this monograph on the early development of the neopallial wall and the choroidal area in vertebrates before the appearance of nerve cells. In the pre-neural period the telencephalic wall is a cohesive, non-stratified epithelial sheet of elongated, radially oriented, polarized cells. Although these cells, including the radial glial cells, differ from each other in various regions and change in shape, internal structure and phenotypic expression during development, they have a basic unity. The book draws attention to this unity and discusses the cells' morphogenesis and functions, and the mechanisms which help to shape the early cerebral hemispheres. The pre-neural period is of fundamental importance for the development of the cerebrum. The knowledge presented here of how cells differentiate during the early stages will help neuroscientists by providing a basis for comparisons with cultured cells and explants, and with cells seen in lineage studies and with microscopic observations of living animals in which dynamic events in the CNS can be seen directly. This work will improve our understanding of many developmental abnormalities of the nervous system.
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166.950000 USD

The Early Development of the Neopallial Wall and Area Choroidea in Fetal Rats: A Light and Electron Microscopic Study

by K.E. Astroem, Henry de F. Webster, Karl E. Astrom
Paperback
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Almost a century and a half of study produced substantial progress in our understanding of glial cells and their development. As in other areas of science, major advances were associated with the discovery of new methods. These are summarized first. Most of this account describes development of glia in the ...
Gliogenesis: Historical Perspectives, 1839 - 1985
Almost a century and a half of study produced substantial progress in our understanding of glial cells and their development. As in other areas of science, major advances were associated with the discovery of new methods. These are summarized first. Most of this account describes development of glia in the CNS. We begin with astroglia because of their known presence and significance in early embryonic stages. Some of Astroem' s unpublished evidence is included in this section. After consideration of oligodendroglia, microglia and ependymal cells, we describe the development of Schwann cells, the glia found in the PNS. In general, morphological observations of developing mammalian nervous tissues (mostly rodent) are emphasized; we have also tried to include findings relevant to cytodifferentiation, interactions, functions and regulation of developing glia. Of course, much has been learned about glial development by studying other species and a variety of experimental models, such as tissue culture systems, grafts and mouse mutants. Selected aspects of these subjects are also included.
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178.490000 USD

Gliogenesis: Historical Perspectives, 1839 - 1985

by Karl E. Astrom, Henry De Forest Webster
Paperback
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