Physiology Oligodendrocytes form myelin sheath in CNS. The cell -to-cell ratio (oligodendrocyte: neuron) for this myelination is:- A 1:01 B 20:01 C 1:20 D 100:01:00 💡 Explanation Oligodendrocytes form myelin sheath in CNS. The cell -to-cell ratio (oligodendrocyte: neuron) for this myelination is:- ✓ Correct Answer: C. 1:20