noun, plural ep·i·the·li·ums, ep·i·the·li·a [ep-uh-thee-lee-uh] /ˌɛp əˈθi li ə/. Biology.
Examples from the Web for epithelium
This is ultimately coated with epithelium, but neither the villi nor the glands of the mucous membrane are ever reproduced.
In the male the epithelium on the ridge, though containing primitive ova, is not as conspicuous as in the female.The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
This epithelium is found lining parts of the respiratory passages, the vas deferens and the epididymis.
Wherever the optic cup of the embryo is transplanted under the epithelium the latter will be transformed into a transparent lens.The Organism as a Whole|Jacques Loeb
This epithelium is especially common in the air passages, where it serves to keep a free passage for the entrance and exit of air.A Practical Physiology|Albert F. Blaisdell