what are the types of glial cells?
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In the central nervous system, glial cells include oligodendrocytes, astrocytes, ependymal cells, and microglia, and in the peripheral nervous system glial cells include Schwann cells and satellite cells.
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glial cells: definition. non-neuronal support cells in the CNS, not found in the PNS, provide physical protection and contribute to maintenance of homeostasis. astrocytes: definition. supply nutrients and oxygen to neurons, modulate neurotransmission and inflammatory response, repair CNS after trauma.
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Depending on the location, different glial cell types make myelin in a different manner. Schwann cells make myelin in the peripheral nervous system (PNS: nerves) and oligodendrocytes in the central nervous system (CNS: brain and spinal cord). In the PNS, one Schwann cell forms a single myelin sheath (Figure 1A).
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Glial cells, neuroglia, or simply glia, the most abundant cells in the nervous system, have been described as nonneuronal cells that provide support and nutrition, regulate the internal environment of the brain (especially the fluid surrounding neurons and their synapses), form myelin, and participate in signal ...
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['Stem cells.', 'Red blood cells.', 'White blood cells. Neutrophils. Eosinophils. Basophils. Lymphocytes.', 'Platelets.', 'Nerve cells.', 'Neuroglial cells.', 'Muscle cells. Skeletal muscle cells. Cardiac muscle cells. Smooth muscle cells.', 'Cartillage cells.']
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The four types of neuroglia found in the central nervous system are astrocytes, microglial cells, ependymal cells, and oligodendrocytes. The two types of neuroglia found in the peripheral nervous system are satellite cells and Schwann cells. Neurons are the other the other type of cell that comprise nervous tissue.
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Nerve Cells. Although the nervous system is very complex, nervous tissue consists of just two basic types of nerve cells: neurons and glial cells. Neurons are the structural and functional units of the nervous system. They transmit electrical signals, called nerve impulses.
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Neurons and glia are the cells that make up our brain. In the cortex, the brain area that enables us to think, speak and be conscious, neurons and most glia are produced by a type of neural stem cell, called radial glia progenitors (RGPs).
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Although the nervous system is very complex, nervous tissue consists of just two basic types of nerve cells: neurons and glial cells. Neurons are the structural and functional units of the nervous system. They transmit electrical signals, called nerve impulses.
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Functions. Some glial cells function primarily as the physical support for neurons. Others provide nutrients to neurons and regulate the extracellular fluid of the brain, especially surrounding neurons and their synapses.
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Radial glia are stem cells Originally, radial glia were thought to be simply scaffolds that maintained the cytoarchitecture of the nervous system. However, several lines of evidence suggest that early radial glial cells have stem cell-like properties.
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Astrocytes are a sub-type of glial cells in the central nervous system. They are also known as astrocytic glial cells. Star-shaped, their many processes envelop synapses made by neurons. In humans, a single astrocyte cell can interact with up to 2 million synapses at a time.
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Glial cells outnumber neurons in the mammalian central nervous system and are key to maintaining tissue homeostasis. They also support neurotransmission, adult neurogenesis, and immune surveillance, among a pleiad of functions.
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The functions of the nervous system are performed by two types of cells: neurons, which transmit signals between them and from one part of the body to another, and glia, which regulate homeostasis, providing support and protection to the function of neurons.
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These cells that form myelin, protect, support, and maintain equilibrium in your nervous system are called glial cells. ... In more detailed terms, neuroglia are cells in your nervous system that are not neurons. Their role is to be the support team and cheerleaders for the neurons.
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Although the nervous system is very complex, there are only two main types of cells in nerve tissue. The actual nerve cell is the neuron. It is the "conducting" cell that transmits impulses and the structural unit of the nervous system. The other type of cell is neuroglia, or glial, cell.
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Nervous tissue is composed of two types of cells, neurons and glial cells. Neurons are the primary type of cell that most anyone associates with the nervous system. They are responsible for the sensory, integrative, and motor functions of the nervous system.