WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

	Enter your search terms Submit search form
	Web www.wordnet-online.com

Definitions from WordNet

Definitions from the Web

Epithelium

Epithelium is a type of tissue that covers the surfaces of the body and lines the cavities and organs.

Definitions

1. Anatomy: A thin layer of tissue that forms the outermost layer or lining of an organ.
2. Biology: The main type of tissue found in the skin, glands, and the lining of the digestive, respiratory, and urinary tracts.

Sample Sentences

• The epithelium of the lungs helps in facilitating gas exchange during breathing.
• The epidermal epithelium is the outermost layer of the skin.
• Some epithelial cells produce mucus to protect certain organs from damage.
• The intestinal epithelium absorbs nutrients from digested food.

Related Products

Explore related products on Amazon:

• Epithelial Biology Books
• Anatomy of Epithelium Models