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Figure 2
X-ray diffraction pattern from myelin. This annotated X-ray diffraction pattern from a myelinated mammalian nerve provides a visual reference. The (radial) myelin elements are identified from diffraction appearing on a 160 Å primary spacing repeating at 79.39 Å for its second order. It is orientated at 90° to the neuron axonal long axis. A distinct diffraction element at ∼90° to the labeled myelin diffraction is observed at 78.24 Å and either originates from fibrous structures along the neurons axonal axis or from obliquely orientated nodal myelin [that is, obliquely oriented relative to the radial myelin as shown by Inouye et al. (2014 ![]() ![]() ![]() |