Question

The organ of corti is situated on the

• A. basilar membrane in the tympanic
• B. Reissners membrane in the vestibular canal?
• C. Basilar membrane in the median canal
• D. Reissners membrane in the tympanic canal

Answer 1

Answer: (C)

Basilar membrane in the median canal

Answer 2

The organ of Corti is a receptor organ for hearing. It is part of internal ear, which consists of otolith organ; semicircular canals and cochlear duct. The wall of cochlear duct is fused with cochlear bone on the side to form $3$ chambers; scalae vestibule scalae media and scalae tympani. The floor of llnd scalae media is called basilar membrane, whereas it ceiling (roof) is Reasners membrane. The organ of Corti is situated on the basilar membrane in the median canal.