Which statement is true regarding the action of an oligodendrocyte?
A. Oligodendrocytes function only within the PNS.
B. Each oligodendrocyte can form a myelin sheath around many axons simultaneously.
C. Each oligodendrocyte can wrap only a 1mm portion of a single axon.
D. An oligodendrocyte is responsible for forming part of the blood-brain barrier.
E. A neurolemmocyte attacks pathogens.
Answer: B
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