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Fig. 1A In 65-year-old woman, spin-echo images (TR/TE, 1,000/20) of
femoral condyle fragment imaged at 7 T with articular surface perpendicular to
(A) and parallel with (B) main magnetic field. (Reprinted with
permission from [21])
Higher-signal-intensity transition layer (arrow) separates
lower-signal-intensity radial layer from low-signal-intensity surface.