Neuroglia
First, the term 'glia' means the connective tissue of the nervous system (that contains a lot of cells), and the word 'neuroglia' is just another term for glia.
The neuroglia is responsible for the betterment, development, and metabolic support of the neurons in the nervous system.
Functions of the Neuroglia
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Develops the neurons
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Provides metabolic support
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Makes a neuron even better
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Maintains the internal homeostatic reactions of the body
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Maintains the immune surveillance in the nervous system for us to survive
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Supports the nerve cells' structures that are very soft
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Responsible for the formation of the blood-brain barrier
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Releases ions and absorbs them when required
Characteristics of Neuroglia
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Found in both invertebrates and vertebrates
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Does not form synapses in general
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Another term for glia (a connective tissue containing many cells)
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Contains many important functions
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Completes the nervous system along with the neurons