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Satellite glial cells, formerly called amphicytes, [1] are glial cells that cover the surface of neuron cell bodies in ganglia of the peripheral nervous system. Thus, they are found in sensory , sympathetic , and parasympathetic ganglia .
These important scientific findings may begin to shift the neurocentric perspective into a more holistic view of the brain which encompasses the glial cells as well. For the majority of the twentieth century, scientists had disregarded glial cells as mere physical scaffolds for neurons.
Schwann cells or neurolemmocytes (named after German physiologist Theodor Schwann) are the principal glia of the peripheral nervous system (PNS). Glial cells function to support neurons and in the PNS, also include satellite cells, olfactory ensheathing cells, enteric glia and glia that reside at sensory nerve endings, such as the Pacinian corpuscle.
Neuroregeneration is the regrowth or repair of nervous tissues, cells or cell products. Neuroregenerative mechanisms may include generation of new neurons, glia, axons, myelin, or synapses.
Gliogenesis results in the formation of non-neuronal glia populations from neuronal cells. In this capacity, glial cells provide multiple functions to both the central nervous system (CNS) and the peripheral nervous system (PNS). Subsequent differentiation of glial cell populations results in function-specialized glial lineages.
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Glial cells are important in hormonal and neuroendocrine function in the central nervous system and have an active role in sleep, cognition, synaptic function and plasticity, and promote remyelination and regeneration of injured nervous tissue. [4] Other functions include the regulation of neurosecretory neurons and the release of hormones.
This would be why it sold for $204,435 at auction. Obi-Wan Kenobi with Double-Telescoping Lightsaber (1977): This is a rare Star Wars toy and sold at an auction for $76,000 in 2018.