Picture of Onycholysis
Onycholysis: Loosening of a nail from the nail bed, usually starting at the border of the nail. The nail tends to turn whitish or yellowish, reflecting the presence of air under it. The treatment is to trim the nail short, not to clean under the nail, and to be patient.
Image Source: Color Atlas of Pediatric Dermatology
Samuel Weinberg, Neil S. Prose, Leonard Kristal
Copyright 2008, 1998, 1990, 1975, by the McGraw-Hill Companies, Inc. All rights reserved.
Source: MedTerms™ Medical Dictionary by MedicineNet, Inc.