The organ of Corti rests on which structure that separates the cochlear duct from the scala tympani?
A) vestibular membrane
B) tectorial membrane
C) tympanic membrane
D) basilar membrane
E) macula

Question

Quizplus · Accepted Answer

The basilar membrane separates the cochlear duct from the scala tympani and provides the base upon which the organ of Corti rests. The other choices (A) vestibular membrane and (B) tectorial membrane are components of the organ of Corti itself, while (C) tympanic membrane is farther away from the cochlea and is part of the middle ear. (E) Macula is a structure located in the vestibular system, not the cochlea.

The Organ of Corti Rests on Which Structure That Separates