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Multiple Choice
Which type of cell is responsible for producing myelin around neurons in the central nervous system (CNS)?
A
Oligodendrocytes
B
Microglia
C
Astrocytes
D
Schwann cells
Verified step by step guidance
1
Step 1: Understand the function of myelin. Myelin is a fatty substance that wraps around the axons of neurons, providing insulation and increasing the speed of electrical signal transmission.
Step 2: Differentiate between the central nervous system (CNS) and peripheral nervous system (PNS). The CNS consists of the brain and spinal cord, while the PNS includes all other neural structures outside the CNS.
Step 3: Learn the specific roles of the cell types listed in the options: Oligodendrocytes produce myelin in the CNS, Schwann cells produce myelin in the PNS, Astrocytes provide structural and metabolic support in the CNS, and Microglia act as immune cells in the CNS.
Step 4: Focus on the question's context, which specifies the central nervous system (CNS). This eliminates Schwann cells, as they are responsible for myelin production in the PNS.
Step 5: Identify the correct cell type responsible for producing myelin in the CNS. Based on the information provided, oligodendrocytes are the correct answer.