fossula post fenestram

the small passage posterior to the oval window from the middle ear to the vestibule filled with connective tissue; a site of predilection for otosclerosis and some perilymphatic fistulae.

Farlex Partner Medical Dictionary © Farlex 2012

fos·su·la post fe·nes·tram

(fos'yū-lă pōst fĕ-nes'trăm)

The small passage filled with connective tissue posterior to the oval window of the cochlea; a site of predilection for otosclerosis.

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