Definition of Labyrinth

Labyrinth: The maze of canals in the inner ear. The delicate membranous canals of the labyrinth are enclosed and protected by a bony chamber that is referred to as the bony labyrinth. The labyrinth is the portion of the ear that is responsible for sensing balance.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=6195
Last Editorial Review: 3/19/2012