| 词汇 | mastoid-cell |
| 释义 | mastoid cell noun[ C ] anatomy specializeduk /ˈmæs.tɔɪd ˌsel/ us /ˈmæs.tɔɪd ˌsel/(alsomastoid air cell) any of the air-filled spaces inside the mastoid process (= the part of the skull just behind each ear) that help control pressure in the ear: The mastoid bone has a honeycomb-like structure that contains air spaces called mastoid cells. This is a condition where infection from the middle ear spreads to the mastoid air cells. Mastoid cells in mastoid bone around the middle ear are also a type of sinus. Acute mastoiditis is caused by the breakdown of the thin bony partitions between the mastoid cells. The coronal section of temporal bone shows the mastoid air cells in more detail. The ear antihelix antitragus audiological audiology auditory tube cochlea eardrum earlobe incus labyrinth labyrinthitis malleus membranous labyrinth organ of Corti otalgia saccule sacculus semicircular canal snug piercing stapedial You can also find related words, phrases, and synonyms in the topics: The head |
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