the dermis and epidermis under a fingernail or toenail.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for nail bed
They are developed over a modified portion of the corium known as the nail-bed.Diseases of the Horse's Foot|Harry Caulton Reeks
Medicine definitions for nail bed
The formative layer of cells at the base of the fingernail or toenail; the matrix.keratogenous membrane matrix unguis
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.