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tectorial membrane

British  
/ tɛkˈtɔːrɪəl /

noun

  1. the membrane in the inner ear that covers the organ of Corti

"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

Etymology

Origin of tectorial membrane

C19: tectorial , from Latin tectōrium a covering, from tegere to cover

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The longer stereocilia that project from the outer hair cells actually attach to the tectorial membrane.

From Textbooks • Jun. 9, 2022

Above the basilar membrane is the tectorial membrane.

From Textbooks • Jun. 9, 2022

These vibrations deflect the membrane on which the Organ of Corti is located, causing the three rows of outer hair cells to “rub” against the overhanging tectorial membrane.

From Textbooks • Jan. 1, 2015

Because the tectorial membrane only moves where the basilar membrane moves, the hair cells in this region will also only respond to sounds of this specific frequency.

From Textbooks • Jun. 19, 2013

The stereocilia extend up from the hair cells to the overlying tectorial membrane, which is attached medially to the organ of Corti.

From Textbooks • Jun. 19, 2013