Question

Which part is not included in Coehlear duct?

• A. Reissner's membrane
• B. Macula of Utricle
• C. Scala Media
• D. Tectorial membrane

Answer 1

The correct option is B Macula of Utricle

The cochlea is made up of three canals, namely scala tympani, scala vestibuli and scala media. Scala media is also called as Cochlear Duct. It is a cavity present inside the cochlea between the tympanic duct and the vestibular duct. Basilar membrane divides cochlear duct from scala tympani and Reissner's membrane divides cochlear duct from scala vestibuli. The cochlear duct houses the organ of Corti. Tectorial membrane is the acellular membrane present in the cochlea of the inner ear. It is present above the spiral organ of Corti. Macula of Utricle is the region of the utricle that receives the utricular filaments of the vestibulocochlear nerve.

Thus, the correct answer is option B.