Epithelium

[Gr. epi, and thele, a teat.) ( Anat. ) A thin and delicate kind of cuticle, like that which covers the nipple. The term is now confined to the innermost layer of the internal cavities and canals of the body, which is analogous to the cuticle of the outer surface. Ep'ithem, n. [Gr. epithema.] ( Med.) A lotion; an embrocation; an external topical dre ing applied to the body.