Question

Which is thickened to form organ of Corti?

• A. Tectorial membrane
• B. Reissner's membrane
• C. Basilar membrane
• D. All of the above

Answer 1

The correct option is C Basilar membrane

Organ of Corti is a receptor organ of hearing and is located in the inner ear. It is considered as body's microphone. It is present on the basilar membrane which is the floor of cochlear duct. Many mechanoreceptors are present in the organ or Corti. There are many sensitive hair cells present in rows on the internal side of organ of Corti. These hair cells are the receptors for sound waves.

So, the correct answer is 'Basilar membrane'.