fissula ante fenestram
Definition: minute, slitlike passage in the otic labyrinthine wall anterior to the oval window to the vestibule. The bone around it often contains fibrous tissue and immature cartilage. It is a site with a predilection for otosclerosis and for some perilymphatic fistulae.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.