ex·tra·mas·toid
| \ -ˈmas-tȯid
\
\
Medical Definition of extramastoid
: situated on or affecting the outer surface of the mastoid bone
extramastoid infection
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“Extramastoid.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/extramastoid. Accessed 29 Jun. 2022.
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