epithelia definition by American Heritage Dictionary
A plural of epithelium.
Variant of epithelium
noun pl. epitheliums or epithelia
cellular tissue covering external body surfaces, as the epidermis, or lining internal surfaces, as hollow organs, vessels, etc.: it consists of one or more layers of cells with little intercellular material
Origin: Modern Latin ; from Classical Greek epi-, upon plush thēlē, nipple: see female