Perilymph

n.

1.

(Anat.) The fluid which surrounds the membranous labyrinth of the internal ear, and separates it from the walls of the chambers in which the labyrinth lies.

Noun

1.

perilymph - the bodily fluid that fills the space between the bony labyrinth and the membranous labyrinth of the inner ear

bodily fluid, body fluid, humor, humour, inner ear, internal ear, labyrinth, liquid body substance