| Perilymph (n.) 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. Thesaurus Entries Eustachian tube, alembic, auditory apparatus, auditory canal, auditory meatus, auditory nerve, auditory ossicles, auditory tube, auricle, basilar membrane, bony labyrinth, caldron, cauliflower ear, cochlea, conch, concha, crucible, drumhead, ear, ear lobe, eardrum, endolymph, engine, external ear, hammer, incus, inner ear, lathe, lobe, lobule, lug, machine, malleus, mastoid process, melting pot, middle ear, mortar, motor, organ of Corti, outer ear, oval window, perilymph, pinna, retort, round window, secondary eardrum, semicircular canals, shell, stapes, stirrup, test tube, transducer, transformer, tympanic cavity, tympanic membrane, tympanum, vestibule |