The Organ of Corti is found in:

The site from which the nerve impulse for hearing originates is:

The $Scala \text{ } tympani$ of the membranous labyrinth ends at $A$, which opens into $B$. Identify $A$ and $B$ and select the correct option.

Organ of Corti is located on the . . . . . . .

Scala vestibuli is connected with

Malleus is a part of