The myelin sheath that covers many CNS axons is formed by
A) astrocytes.
B) satellite cells.
C) oligodendrocytes.
D) microglia.
E) ependymal cells.
Question 2
The neuroglial cells that participate in maintaining the blood-brain barrier are the
A) astrocytes.
B) ependymal cells.
C) microglia.
D) oligodendrocytes.
E) Schwann cells.