Basilar Membrane | Anatomy - Britannica

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Learn about this topic in these articles:

anatomy of internal ear

• In senses: Mechanical senses

  …long membrane, known as the basilar membrane, which is tuned in such a way that high tones vibrate the region near the base and low tones vibrate the region near the apex. Sitting on the basilar membrane is the organ of Corti, an array of hair cells with stereocilia that…

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• In human ear: Structure of the cochlea

  …osseous spiral lamina and the basilar membrane, which separate the cochlear duct from the scala tympani. Resting on the basilar membrane is the organ of Corti, which contains the hair cells that give rise to nerve signals in response to sound vibrations. The side of the triangle is formed by…

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• In human ear: Structure of the cochlea

  …the fibrillar layer of the basilar membrane is the acellular ground substance of the membrane. This layer is covered in turn by a single layer of spindle-shaped mesothelial cells, which have long processes arranged longitudinally and parallel, facing the scala tympani and forming the tympanic lamella that is in contact…

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functional analysis of sound

• In human ear: Transmission of sound waves in the cochlea

  …pitch) by means of the basilar membrane, which exhibits different degrees of stiffness, or resonance, along its length.

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work of Bekesy

• In Georg von Békésy

  …important for hearing is the basilar membrane, stretching the length of the snail-shaped cochlea and dividing it into two interior canals. Békésy found that sound travels along the basilar membrane in a series of waves, and he demonstrated that these waves peak at different places on the membrane: low frequencies…

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