eponychium(redirected from epionychium)
Also found in: Dictionary, Medical.
The horny layer of the nail fold attached to the nail plate at its margin; represents the remnant of the embryonic condition.
A horny condition of the epidermis from the second to the eighth month of fetal life, indicating the position of the future nail.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.