Figure 1.

Neutron diffraction patterns from (a) rat sciatic nerves, (b) rat optic nerves, (c) mouse sciatic nerves and (d) mouse spinal cords equilibrated against 0–100% D₂O-saline. Scattering intensity is plotted against both the scattering vector q (2π/d; Å⁻¹) and the reciprocal coordinate R (1/d; Å⁻¹). Bragg orders are indicated with numerals above the reflections. The inset in (a) is expanded along the y axis to more clearly show the additional Bragg orders recorded in 100% H₂O.