The basilar crest gives attachment to the outer edge of the basilar membrane; immediately above the crest is a concavity, the sulcus spiralis externus.
| Sulcus spiralis externus | |
|---|---|
 Floor of ductus cochlearis. | |
| Details | |
| Identifiers | |
| Latin | Sulcus spiralis externus |
| TA98 | A15.3.03.124 |
| FMA | 77851 |
| Anatomical terminology | |
References
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This article incorporates text in the public domain from page 1055 of the 20th edition of Gray's Anatomy (1918)
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