perilymph
Per"i*lymph, n. (Anat.) Defn: 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.
Per"i*lymph, n. (Anat.) Defn: 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.