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Optical coherence micro-elastography of human lymph node tissue. (a) En face OCT image at a depth of ~140 μm. (b) Corresponding en face micro-elastogram. (c) Histology, co-registered with OCT and micro-elastogram. C, capsule; F, follicle; M, medulla; and P, paracortex. In the micro-elastogram, the scale is in millistrain, mε.
