Multiple choice

The cells responsible for maintaining the blood brain barrier forming a 3-D framework for the central nervous system and including the repair work in damaged neural tissue are ________.

  1. stem cells

  2. ependymal cells

  3. astrocytes

  4. oligodendrocytes

  5. glial cells

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Astrocytes have many cytoplasmic processes terminating on blood vessels. These cells are engaged in all essential CNS functions including blood flow regulation, maintaining the blood brain barrier, energy metabolism, ion and water homeostasis, immune defence of the body, etc.