tympanic surface of cochlear duct

tympanic surface of cochlear duct

[TA]

the wall that separates the cochlear duct from the scala tympani; it consists of the osseous spiral lamina and the basilar membrane.

Synonym(s): paries tympanicus ductus cochlearis [TA], membrana spiralis ☆ , spiral membrane ☆ , tympanic wall of cochlear duct