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posterior semicircular canal /pɒstˈiəɹiə sˌɛmɪsˈɜːkjʊlə kənˈal/ n

中文：后骨半规管

中文 · 后骨半规管Español · conducto semicircular posteriorFrançais · canal semi-circulaire postérieur
Meaning：Vertical canal parallel to the temporal bone; it monitors head movements to ensure that equilibrium is maintained.
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Ear structure

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