helicotrema


Also found in: Dictionary, Medical, Wikipedia.
Related to helicotrema: Tectorial membrane, Spiral ligament, secondary tympanic membrane, cupulae

helicotrema

[‚hel·ə·kō′trē·mə]
(anatomy)
The opening at the apex of the cochlea through which the scala tympani and the scala vestibuli communicate with each other.