labyrinth

(lab'ir-inth) [G. labyrinthos, a maze.] i. The internal ear, comprising the semicircular canals, vestibule, and cochlea; see lahyrinthus. 2. Any group of communicating" cavities, as in each lateral ma of the ethmoid bone, lahyrinthus eikmoidalis. 3. Pars convoluta [BNA] of a cortical lobule of the kidney; the portion of kidney cortex intervening between the pyramids