- membranous labyrinth - the sensory structures of the inner ear including the labyrinthine receptors and the cochlea; contained within the bony labyrinth
--1 is a kind of structure, anatomical structure, complex body part, bodily structure, body structure
--1 is a part of inner ear, internal ear, labyrinth
--1 has parts: utricle, utriculus; saccule, sacculus