Textbook Question
Explain both the structural and functional classifications of the nervous system. In your explanation, include the subdivisions of each.
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13. The Peripheral Nervous System
Introduction to the Peripheral Nervous System
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Which neuroglial cell is found in the peripheral nervous system?
A
Microglia
B
Astrocyte
C
Oligodendrocyte
D
Schwann cell
Verified step by step guidance1
Understand the role of neuroglial cells: Neuroglial cells, also known as glial cells, support and protect neurons in the nervous system. Different types of neuroglial cells are found in the central and peripheral nervous systems.
Identify the location of each neuroglial cell type: Microglia, astrocytes, and oligodendrocytes are found in the central nervous system (CNS), which includes the brain and spinal cord.
Recognize the neuroglial cell found in the peripheral nervous system (PNS): Schwann cells are the primary glial cells in the PNS. They are responsible for myelinating axons, which helps in the rapid transmission of nerve impulses.
Differentiate between Schwann cells and oligodendrocytes: While both Schwann cells and oligodendrocytes produce myelin, Schwann cells are found in the PNS, whereas oligodendrocytes are located in the CNS.
Conclude that the correct neuroglial cell found in the peripheral nervous system is the Schwann cell, as it is the only option listed that is part of the PNS.
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