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Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Neurosciences
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The Surface-Contact Glia (Paperback)
Loot Price: R1,548
Discovery Miles 15 480
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The Surface-Contact Glia (Paperback)
Series: Advances in Anatomy, Embryology and Cell Biology, 84
Expected to ship within 10 - 15 working days
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1. 1 Brief History The diversity of cells constituting the central
nervous system did not deceive last century neurohistologists in
recognizing that this organ contained essentially two cell types:
the nerve cells, or as termed according to the emerging concept of
neural contiguity, the neurons, and the neuroglial cells. Neurons
were clearly shown to be the means of excitability, impulse
generation, impulse transmission, and connectivity in the neural
tissue. The neuroglia, as indicated by its name (YAloc=cement or
glue) given by Virchow (1860), was thought to be the cement ing
material ensuring the coherence of the nervous tissue, filling in
the spaces of the neuropil, and isolating neuronal cell bodies.
While this supposedly passive role did not attract
multidisciplinary research on the neuroglia, successful efforts
were made to extend our knowledge of the physiology, morphology,
and bio chemistry of neurons. As a result of this, the
investigation of the neuroglia carried out in the first half of
this century was mainly confined to morphology, often as a
by-product of comprehensive analyses of neuronal systems. At any
rate, the histological classification of the neuroglia was
accomplished, laying a framework which has been used to the present
day. Accordingly, the glia was divided into two major groups: the
macro- and microglia. The former comprises two further subclasses,
the astroglia and oligodendroglia."
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