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cupula

British  
/ ˈkʌpjʊlə /

noun

  1. anatomy zoology a dome-shaped structure, esp the sensory structure within the semicircular canals of the ear

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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The hairs project into a gelatinous cap called the cupula and monitor angular acceleration and deceleration from rotation.

From Textbooks • Jun. 9, 2022

But opening its doors and entering, one is overwhelmed by the brilliantly colored paintings that cover its walls, ceilings and cupula.

From Seattle Times • Feb. 13, 2019

The stereocilia of these hair cells extend into the cupula, a membrane that attaches to the top of the ampulla.

From Textbooks • Jun. 19, 2013

As one of the canals moves in an arc with the head, the internal fluid moves in the opposite direction, causing the cupula and stereocilia to bend.

From Textbooks • Jun. 19, 2013

As the head rotates in a plane parallel to the semicircular canal, the fluid lags, deflecting the cupula in the direction opposite to the head movement.

From Textbooks • Jun. 19, 2013