The Membrane That Separates the Cochlear Duct from the Scala

Question

The membrane that separates the cochlear duct from the scala vestibuli is the
A)vestibular membrane
B)tectorial membrane
C)basement membrane
D)tympanic membrane
E)basilar membrane

Accepted Answer

The membrane that separates the cochlear duct from the scala vestibuli is called the vestibular membrane. The tectorial membrane is located above the hair cells within the cochlear duct, the basement membrane is a layer of extracellular matrix that underlies epithelial and endothelial cells, the tympanic membrane is located at the entrance of the outer ear and vibrates in response to sound waves, and the basilar membrane is located within the cochlear duct and supports the organ of Corti.