Font Size
A
A
A

Definition of Mastoid

Mastoid: The rounded protrusion of bone just behind the ear. The mastoid was once thought to look like a breast (hence its name).

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=4295
Last Editorial Review: 3/19/2012

Medical Dictionary Definitions A - Z

Search Medical Dictionary






Medical Dictionary