MEDICAL PHYSIOLOGY

PHYSIOLOGY

CENTRAL NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What type of cell is the myleinating cell?
A
oligodnedorcytes
B
satellite
C
schwann
D
astrocytes
Explanation: 

Detailed explanation-1: -Oligodendrocytes are the myelinating cells of the central nervous system (CNS). They are the end product of a cell lineage which has to undergo a complex and precisely timed program of proliferation, migration, differentiation, and myelination to finally produce the insulating sheath of axons.

Detailed explanation-2: -Oligodendrocytes are another type of glial cells and these cells are responsible for the myelination of axons in the central nervous system (CNS).

Detailed explanation-3: -’ Like other glia, oligodendrocytes are found throughout the CNS gray and white matter, where individual oligodendrocytes can myelinate as many as 40–50 axons. This important function enables rapid saltatory conduction throughout the CNS.

Detailed explanation-4: -Schwann cells are the equivalent of oligodendrocytes in the peripheral nervous system. Unlike oligodendrocytes, each Schwann cell is only capable of myelinating a single axon.

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