Dipankar Dutta

2 weeks ago | tandfonline.com | R. Douglas Fields |Dipankar Dutta

The g-ratio is fundamental in all morphological studies of myelin to quantify the relative thickness of the myelin sheath on axons, but the relationship of g-ratio to axon diameter is unclear. The g-ratio is calculated simply by taking the ratio of the diameter of the myelinated fiber to the diameter of the axon inside the myelin sheath.