poliosis

poliosis definition - medical

po·li·o·sis (pōˌlē-ōˈsĭs)

noun
An absence or lessening of melanin in hair of the scalp, brows, or lashes.

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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