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Medical Term:


Pronunciation: ep'i-the'le-um, -a

Definition: The purely cellular avascular layer covering all free surfaces, cutaneous, mucous, and serous, including the glands and other structures derived therefrom.

[G. epi, upon, + thele, nipple, a term applied originally to the thin skin covering the nipples and the papillary layer of the border of the lips]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.