Skip to Content
Medical Term:


Pronunciation: hel'i-ko-tre'ma

Definition: A semilunar opening at the apex of the cochlea through which the scala vestibuli and the scala tympani of the cochlea communicate with one another.

Synonym(s): Breschet hiatus, Scarpa hiatus

[G. helix, a spiral, + trema, a hole]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.