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Write Short Notes on the Following: Cochlea - CBSE (Science) Class 11 - Biology

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Question

Write short notes on the following: Cochlea 

Solution

Cochlea

Cochlea is a long, coiled outgrowth of sacculus. It is the main hearing organ. The cochlea forms three chambers.

(i) Upper − scala vestibule

(ii) Middle − scala media

(iii) Lower − scale tympani

The floor of the scala media is basilar membrane while its roof is Reissner’s membrane. Reissner’s membrane gives out a projection called tectorial membrane. The organ of corti, a hearing organ, is located on the basilar membrane. Organ of corti contains receptor hair cells. The upper scala vestibule and lower scala tympani contain perilymph

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APPEARS IN

 NCERT Solution for Biology Textbook for Class 11 (2018 to Current)
Chapter 21: Neural Control and Coordination
Q: 5.7 | Page no. 329

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Solution Write Short Notes on the Following: Cochlea Concept: Sensory Reception and Processing - Concept of the Ear.
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