labyrinth (lab'ir-inth)

An intricate arrangement of communicating pa ages; the cavities of the internal ear. bony 1. See o eous I. ethmoidal 1. The lateral ma es of the ethmoid bone. See membranous I. 1. of the (cortex of the) kidney. That part of the cortical substance of the kidney which is arranged around the uriniferous tubules of the medullary rays in the cortex, membranous 1. A structure contained in the o eous 1., consisting of the utricle and saccule of the vestibule, the three membranous semicircular canals, and the membranous portion of the cochlea, olfactory 1. See ethmoidal I. o eous 1. The o eous capsule or envelope of the membranous 1. It is divided into the vestibule, the three semicircular canals, the cochlea, and the internal auditory canal. It lies in the petrous portion of the temporal bone. [Gr., labyrinthos.]