Sulcus spiralis externus

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Sulcus spiralis externus
Gray929.png
Floor of ductus cochlearis.
Gray's subject #232 1055

The basilar crest gives attachment to the outer edge of the basilar membrane; immediately above the crest is a concavity, the sulcus spiralis externus.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

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