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Medical Term:

onion bulb neuropathy


designation for any of several demyelinating polyneuropathies in which the nerves are enlarged because of onion bulb formation—whorls of overlapping Schwann cell processes encircling bare medullated axons; progressive hypertrophic polyneuropathy.

See: hypertrophic interstitial neuropathy

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.