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Definition of Temporomandibular joint (TMJ)

Temporomandibular joint (TMJ): The joint that hinges the lower jaw (mandible) to the temporal bone of the skull. It is one of the most frequently used joints in the entire body, moving whenever a person eats, drinks, or talks.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=5730
Last Editorial Review: 6/14/2012

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