<procedure> Incision into the labyrinth. ... Origin: Labyrinth + G. Tome, incision ... (05 Mar 2000) ... 
(lab″ә-rin-thot´ә-me) incision into the inner ear.
Type: Term Pronunciation: lab′i-rin-thot′ŏ-mē Definitions: 1. Incision into the labyrinth.
labyrinthotomy Surgical incision into the labyrinth; such as, the internal ear or the auris interna which is the labyrinth, consisting of the vestibule, cochlea, cochlear, vestibular aqueducts, semicircular canals; and, according to many authorities, the mastoid bone.