Multiple choice

Which of the following cells maintains the pH of the extracellular space of the CNS in mammals?

  1. Ependymal cell

  2. Oligodendrocytes

  3. Fibrous astrocytes

  4. Pituicyte

  5. Neural stem cells
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Fibrous astrocytes are found throughout all white matter. They perform many functions including biochemical support of endothelial cells that form the blood–brain barrier, distribution of nutrients to the nervous tissue and the maintenance of extracellular pH balance.

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