The bodily fluid that fills the space between the bony labyrinth and the membranous labyrinth of the inner ear
Perilymph is an extracellular fluid located within the cochlea (part of the ear) in two of its three compartments; the scala tympani and scala vestibuli. The ionic composition of perilymph is comparable to that of plasma and cerebrospinal fluid. ...
Fluid of the inner ear; it surrounds the utricle, saccule, and semicircular canal
Membrane between the stapes and the round window.
A fluid in the inner ear. When this fluid moves, it activates hearing and equilibrium receptors. (35)