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astrocytes |
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astrocytes (as´trōsī´ts), n a large, star-shaped cell found in certain tissues of the nervous system. A mass of astrocytes is called astroglia. See also astrocytoma.
astrocytes Neuroglial cells with many processes found in the central nervous system, the retina (especially the ganglion cells, the inner plexiform layers and the nerve fibre layer) and the optic nerve. Their function is believed to be nutritional and structural and to be involved in the clearance of neurotransmitters from within the synaptic cleft. Syn. Cajal's cells. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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3) Transsphenoidal encephaloceles contain mature neuroglial cells with a varying degree of gliosis, in which astrocytes have divided and formed fibrillary networks called glial scar tissue. In the brain, inappropriate cytokine production from microglial cells and/or astrocytes is now recognized as an early component of many posmatal neurologic diseases (Bell and Hallenbeck 2002; Cacci et al. After the transplantation into the brains of young mice, the neural precursor cells give rise to functioning neurons and astrocytes, a star-shaped cell of the brain and spinal cord. |
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