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Physiology

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Central Nervous System

Question
14 out of 23
 

Phagocyttosis in the CNS is done by(DNB Dec-2009)



A Astrocytes
B Schwann cells

C Microglia
D Oligocytes

Ans. C Microglia

Glia cells in CNS:-

1. Microglia (Gitter cells) are scavenger cells that resemble tissue macrophages. Q

a. They are mesodermal in origin Q. Function as phagocytosis

2. Astrocytes (star shaped) Two types

a. Fibrous astrocytes found in white matter. Q

b. Protoplasmic astrocytes found in gray matter. Q

i. Astrocytes form the Blood-brain-barrier

3. Oligodendrogliocytes: form the myelin sheath in CNS. Q

[Note Schwann cells form the myelin sheath in PNS] Q

Central Nervous System Flashcard List

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