mastoid
mas·toid / ˈmasˌtoid/ • adj. Anat. of or relating to the mastoid process: mastoid disease.• n. Anat. the mastoid process. ∎ (mastoids) [treated as sing.] inf. mastoiditis.
mastoid
mastoid (mas-toid) adj. relating to the mastoid process. m. antrum an air-filled channel connecting the mastoid process to the cavity of the middle ear. m. cells air spaces in the mastoid process. m. process a nipple-shaped process on the temporal bone that extends downward and forward behind the ear canal.
mastoid
mastoid (anat., of bones, etc.) nipple-shaped. XVIII. — F. mastoïde or modL. mastoīdēs — Gr. mastoeidḗs, f. mastós breast; see -OID.
mastoid process
mastoid process In animals, a bony outgrowth behind the ear: it contains air spaces which communicate with the middle ear.
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Mastoid
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Mastoid