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How are outer hair cells organized in the organ of Corti and what is their primary function?

How are outer hair cells organized in the organ of Corti and what is their primary function?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Question**: How are outer hair cells organized in the organ of Corti and what is their primary function? --- **Explanation**: Outer hair cells in the organ of Corti are arranged in three rows along the cochlea, characterized by their distinctive, cylindrical shape. These cells form a V or W pattern as viewed from above. Their primary function is to act as biological amplifiers. They achieve this by changing length in response to sound stimulation, enhancing the sensitivity and frequency selectivity of the cochlea. This electromotility allows the inner hair cells to detect sound more precisely, aiding in the refinement of auditory signals before they are transmitted to the brain.
Transcribed Image Text:**Question**: How are outer hair cells organized in the organ of Corti and what is their primary function? --- **Explanation**: Outer hair cells in the organ of Corti are arranged in three rows along the cochlea, characterized by their distinctive, cylindrical shape. These cells form a V or W pattern as viewed from above. Their primary function is to act as biological amplifiers. They achieve this by changing length in response to sound stimulation, enhancing the sensitivity and frequency selectivity of the cochlea. This electromotility allows the inner hair cells to detect sound more precisely, aiding in the refinement of auditory signals before they are transmitted to the brain.
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The cochlea contains the inner ear organ known as the Organ of Corti, which aids in hearing.

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