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posterior semicircular canal
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posterior semicircular canal

anatomy

Learn about this topic in these articles:

structure of semicircular canals

  • human ear
    In human ear: Semicircular canals

    position: superior, horizontal, and posterior. The superior and posterior canals are in diagonal vertical planes that intersect at right angles. Each canal has an expanded end, the ampulla, which opens into the vestibule. The ampullae of the horizontal and superior canals lie close together, just above the oval window,…

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  • In vestibular system: Semicircular canals

    The superior and posterior canals are in diagonal vertical planes that intersect at right angles. Each canal has an expanded end, the ampulla, which opens into the vestibule. The ampullae of the horizontal and superior canals lie close together, just above the oval window, but the ampulla of…

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  • ear structures
    In semicircular canal: Anatomy

    The anterior and posterior loops are in diagonal vertical planes that intersect at a 90-degree angle.

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