Neural Tissue
The myelin sheath in the peripheral nervous system is formed by which cells?
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About This Question
- Subject
- biology
- Chapter
- structural organisation in animals and plants
- Topic
- neural tissue
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Schwann cells
- Neural Support: Neurons are supported by various non-conducting glial cells.
- Myelination: The myelin sheath acts as an electrical insulator for axons.
- In the PNS: Schwann cells wrap around individual nerve fibers in the Peripheral Nervous System to form the myelin sheath.
- In the CNS: Oligodendrocytes perform this function in the Central Nervous System (brain and spinal cord).
- Others: Astrocytes provide metabolic and structural support; Microglia are the resident immune cells of the CNS.
This medium difficulty biology question is from the chapter structural organisation in animals and plants, covering the topic of neural tissue. It appeared in the 2025 exam.
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