The fluid-filled tube that includes the spiral organ & tectorial membrane and is intermediate in our models is called the cochlear duct.
The cochlear duct is present inside the cochlea and is filled with an endolymph cavity.
It is located between the vestibular duct and the tympanic duct.
There are two vital membranes i.e. basilar and vestibular membranes that separate the vestibular and tympanic ducts from each other.
The cochlear duct resides in the Corti.
It is made up of three canals which are: the scala vestibule, the scala tympani, and the scala media.
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