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Multiple Choice
Which type of neuroglia produces the myelin in the peripheral nervous system?
A
Microglia
B
Schwann cells
C
Astrocytes
D
Oligodendrocytes
Verified step by step guidance
1
Understand the role of myelin: Myelin is a fatty substance that surrounds the axons of nerve cells, providing insulation and increasing the speed of electrical impulses.
Identify the location: The peripheral nervous system (PNS) includes all the nerves outside the brain and spinal cord.
Differentiate between neuroglia types: Schwann cells, oligodendrocytes, astrocytes, and microglia are all types of neuroglia, but they have different functions and locations.
Focus on Schwann cells: Schwann cells are the neuroglia responsible for producing myelin in the peripheral nervous system.
Contrast with oligodendrocytes: Oligodendrocytes produce myelin in the central nervous system (CNS), not the PNS, which helps differentiate their roles from Schwann cells.