Endolymphatic pseudohydrops of the cochlear apex

What appears to be endolymphatic hydrops of the cochlear apex is the transition area of the cochlear duct from a conical shape at the extreme apex to the triangular shape found in the rest of the cochlea. The appearance of distension is dependent upon the cochlear length and the level of the microscopic section.

from Otolaryngology–Head and Neck Surgery

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