Scelta multipla
Which of the following is the correct description for interneurons?
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4. Tissues & Histology
Introduction to Nervous Tissue
Scelta multipla
The myelin sheath around the axon of neurons in the central nervous system is made by which type of cell?
A
Astrocytes
B
Microglia
C
Schwann cells
D
Oligodendrocytes
Guida verificata passo dopo passo1
Understand the role of the myelin sheath: The myelin sheath is a protective covering that surrounds axons in the nervous system, facilitating the rapid transmission of electrical impulses.
Identify the location: The problem specifies the central nervous system (CNS), which includes the brain and spinal cord.
Recognize the types of cells involved in myelination: In the CNS, oligodendrocytes are responsible for forming the myelin sheath around axons.
Differentiate between cell types: Schwann cells form the myelin sheath in the peripheral nervous system (PNS), not the CNS. Astrocytes and microglia have different functions, such as supporting neurons and immune defense, respectively.
Conclude with the correct cell type: Based on the location (CNS) and function (myelination), oligodendrocytes are the cells that form the myelin sheath around axons in the central nervous system.
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