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pilonidal

[pahy-luh-nahyd-l]
adjective Pathology.
  1. noting or pertaining to a growth of hair in a dermoid cyst or in the deeper layers of the skin.
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Origin of pilonidal

From New Latin, dating back to 1875–80; see origin at pile3, -o-, nidus, -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

pilonidal in Medicine

pilonidal

(pī′lə-nīdl)
adj.
  1. Of or relating to a growth of hair in a dermoid cyst or in the deeper layers of the skin.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.