Epithelium
//ˌɛpɪˈθiːlɪəm// noun
noun ·Uncommon ·Advanced level
Definitions
Noun
- 1 A membranous tissue composed of one or more layers of cells which forms the covering of most internal and external surfaces of the body and its organs: internally including the lining of vessels and other small cavities, and externally being the skin. countable, uncountable
"the passenger's roving eyes paused for a moment as he listened inwardly to a nether itch, which he supposed to be (correctly, thank Log) only a minor irritation of the epithelium."
- 2 membranous tissue covering internal organs and other internal surfaces of the body wordnet
Example
More examples"The parasympathetic nerves of a developing salivary gland innervate the salivary gland epithelium which is essential for organogenesis."
Etymology
From New Latin epithēlium. By surface analysis, epi- + thel- + -ium.
Related phrases
More for "epithelium"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.