Which part of the inner ear contains the receptor organ of hearing, known as the spiral organ (organ of Corti)?

• A. Cochlea
• B. Vestibule
• C. Utricle
• D. Semicircular canals

Answer: (A)

Verified step by step guidance

1. Understand the anatomy of the inner ear: The inner ear is composed of several structures, including the cochlea, vestibule, utricle, and semicircular canals. Each structure has a specific function related to hearing or balance.
2. Learn about the cochlea: The cochlea is a spiral-shaped structure in the inner ear that is specifically involved in the process of hearing. It contains specialized cells and organs responsible for detecting sound vibrations.
3. Focus on the spiral organ (organ of Corti): The organ of Corti is located within the cochlea. It is the receptor organ of hearing and contains hair cells that convert sound vibrations into electrical signals for the brain to interpret.
4. Differentiate the functions of other inner ear structures: The vestibule, utricle, and semicircular canals are primarily involved in balance and spatial orientation, not hearing. This distinction helps identify the cochlea as the correct answer.
5. Conclude that the cochlea contains the organ of Corti: Based on the anatomical and functional details, the cochlea is the part of the inner ear that houses the receptor organ of hearing, the spiral organ (organ of Corti).