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hair cast

hair cast in Medicine

hair cast n.
A small, nodular accretion of epithelial cells and keratinous debris, appearing along the shaft of a hair and resulting from failure of the internal root sheath to disintegrate.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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