PHYSIOLOGY
CENTRAL NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Astrocytes
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Microglial Cells
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Ependymal Cells
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Oligodendrocytes
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Schwann Cells
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Detailed explanation-1: -There are three types of glial cells in the mature central nervous system: astrocytes, oligodendrocytes, and microglial cells (Figure 1.4A-C). Astrocytes, which are restricted to the brain and spinal cord, have elaborate local processes that give these cells a starlike appearance (hence the prefix “astro”).
Detailed explanation-2: -The most notable glial cells include oligodendrocytes, astrocytes, microglia, and ependymal cells in the CNS and schwann cells, satellite cells, and enteric glial cells in the PNS, .
Detailed explanation-3: -Oligodendrocytes form the myelin sheath around axons. Astrocytes provide nutrients to neurons, maintain their extracellular environment, and provide structural support. Microglia scavenge pathogens and dead cells. Ependymal cells produce cerebrospinal fluid that cushions the neurons.