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Distribution of myelinated (A) and unmyelinated (B) axons in the saphenous nerve of control and NGF-OE mice (3 animals in each group). For myelinated axons, the diameters include the nerve axon only, without the myelin sheath. Note that both axon distributions from NGF-OE animals are shifted to the right, reflecting significant hypertrophy of myelinated and unmyelinated fibers.
