what are the two major types of cells in the nervous system?
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There are two broad classes of cells in the nervous system: neurons, which process information, and glia, which provide the neurons with mechanical and metabolic support. Three general categories of neurons are commonly recognized (Peters, Palay, & Webster, 1976).
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The autonomic nervous system consists of 2 main divisions, the sympathetic and the parasympathetic nervous systems.
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The Central and Peripheral Nervous Systems. The nervous system can be divided into two major regions: the central and peripheral nervous systems. The central nervous system (CNS) is the brain and spinal cord, and the peripheral nervous system (PNS) is everything else (Figure 1).
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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. Neurons have cell bodies, dendrites, and axons.
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Neurons, or nerve cell, are the main structural and functional units of the nervous system. Every neuron consists of a body (soma) and a number of processes (neurites).
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The nervous system can be divided into two major regions: the central and peripheral nervous systems. The central nervous system (CNS) is the brain and spinal cord, and the peripheral nervous system (PNS) is everything else (Figure 1).
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Our nervous system is divided in two components: the central nervous system (CNS), which includes the brain and spinal cord, and the peripheral nervous system (PNS), which encompasses nerves outside the brain and spinal cord.
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Nervous system cells are called neurons. They have three distinct parts, including a cell body, axon, and dendrites. These parts help them to send and receive chemical and electrical signals. ... There's still a lot we don't know about neurons and the role they play in the development of certain brain conditions.
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The peripheral nervous system is divided into two major parts: the somatic nervous system and the autonomic nervous system.
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There are three major types of neurons: sensory neurons, motor neurons, and interneurons.
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The central nervous system includes the brain and spinal cord. The peripheral nervous system consists of all body nerves. Motor neuron pathways are of two types: somatic (skeletal) and autonomic (smooth muscle, cardiac muscle, and glands).
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Key Points Nervous tissue contains two categories of cells — neurons and neuroglia. Neurons are highly specialized nerve cells that generate and conduct nerve impulses. Neuroglia are supporting cells that provide physical sport, remove debris, and provide electrical insulation.
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The nervous system comprises of two group of cells, glial cells and neurons.
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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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There are two types of neural cells, neurons and neuroglia. Neurons, approximately 86 billion of which are contained in a human brain, transmit electrical and chemical signals to one another. Neuroglia, also known as glia, support and protect neurons.
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There are three major types of neurons: sensory neurons, motor neurons, and interneurons. All three have different functions, but the brain needs all of them to communicate effectively with the rest of the body (and vice versa).
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The peripheral nervous system itself is divided into two parts: the somatic nervous system and the autonomic nervous system.