ampulla of semicircular duct

anatomy

Learn about this topic in these articles:

In human ear: Semicircular canals
…diameter that has its own ampulla. The membranous ducts and ampullae follow the same pattern as the canals and ampullae of the bony labyrinth, with their openings into the utricle and with a common crus for the superior and posterior ducts. Like the other parts of the membranous labyrinth, they…
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In movement perception: Vestibular system
…canal has a swelling (ampulla) that contains the cupula, a cluster of sensitive hairs embedded in a jellylike mound. As the head moves in the plane of a given canal, motions of the fluid deflect the cupula to produce nerve impulses. These travel through the brainstem to other brain…
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In human ear: The physiology of balance: vestibular function
…cupula, as found in the ampullae of the semicircular ducts. The cristae respond to waterborne vibrations and to pressure changes.
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