| onion bulb |
in neuropathology, a collection of overlapping Schwann cells resembling the bulb of an onion, encircling an axon that has become demyelinated; seen in progressive hypertrophic neuropathy and similar conditions that are characterized by repeated demyelination and remyelination.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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