| macroglia | A part of the neuroglia. It consists of two types of astrocytes and two types of oligodendrocyte. (09 Oct 1997) |
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| macroglia cell | <pathology> A glial cell found in vertebrate brain, named for its characteristic star like shape. Astrocytes lend both mechanical and metabolic support for neurons, regulating the environment in which they function. See: oligodendrocytes. (18 Nov 1997) |