Nysmyth's membrane

Nysmyth's membrane

[′nī‚smiths ‚mem‚brān]
(anatomy)
The primary enamel cuticle which is the transitory remnants of the enamel organ and oral epithelium covering the enamel of a tooth after eruption.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.