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The Mauthner cell (M-cell) is one of the few identifiable neurons in the vertebrate central nervous system. The ability to locate the M-cell, along with its inputs and outputs, has resulted in important findings in diverse areas of neurobiology including the molecular biology of neurons, synaptic...
Swelling of cells in the nervous system is frequently associated with pathological states such as cerebral ischemia. The major cell type that swells in gray matter appears to be the astrocyte, although swelling of neuronal dendrites also occurs. Such swelling probably affects function by reducing...
A variety of anatomical features suggest that functional activity in the nervous system can influence the process of myelination, yet direct evidence of this is lacking. Research by Zalc and colleagues shows that myelination of optic nerve is inhibited by a neurotoxin that blocks action potential...