Macroglia {astrocyte} can be protoplasmic, with branched processes, or fibrous, not branched. They cover blood vessels, neurons, and external brain surfaces. They provide structure and guides neuron migration. They take up potassium ions and neurotransmitters. Some astrocytes repair nervous tissue. Astrocytes affect metabolic disorders and epilepsy.
Biological Sciences>Zoology>Organ>Nerve>Glia
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Date Modified: 2022.0224