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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.

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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.

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"mastoid." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 19 Feb. 2018 <http://www.encyclopedia.com>.

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mastoid process

mastoid process An outgrowth from the temporal bone of the skull containing air cavities that communicate with the cavity of the middle ear. In humans it is a route through which infection may spread from the middle ear.

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mastoid

mastoid (anat., of bones, etc.) nipple-shaped. XVIII. — F. mastoïde or modL. mastoīdēs — Gr. mastoeidḗs, f. mastós breast; see -OID.

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"mastoid." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. 19 Feb. 2018 <http://www.encyclopedia.com>.

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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 process." A Dictionary of Zoology. . Encyclopedia.com. 19 Feb. 2018 <http://www.encyclopedia.com>.

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mastoid

mastoidavoid, Boyd, Coed, droid, Floyd, Freud, Lloyd, overjoyed, self-employed, unalloyed, underemployed, unemployed, void •geoid • amoeboid (US ameboid) •globoid • cuboid • gadoid • typhoid •fungoid • discoid • tabloid • colloid •celluloid • mongoloid • alkaloid •coralloid • crystalloid • prismoid •arachnoid • sphenoid • hominoid •crinoid, echinoid •solenoid • humanoid • paranoid •hypoid • anthropoid • gabbroid •android • steroid • thyroid • hydroid •spheroid • meteoroid • Murgatroyd •Polaroid •haemorrhoid (US hemorrhoid) •asteroid • schizoid • factoid • mastoid •deltoid • planetoid • ovoid • trapezoid •rhizoid

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