unmyelinated fiber

unmyelinated fiber definition - medical

unmyelinated fiber

noun
Any of the nerve fibers that lack a fatty sheath but that are enveloped by a sheath of Schwann cells as are other nerve fibers. Also called gray fiber, nonmedullated fiber.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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