On the upper plate of that part of the lamina which is outside the vestibular membrane, the periosteum is thickened to form the spiral limbus, this ends externally in a concavity, the sulcus spiralis internus, which represents, on section, the form of the letter C.
| Sulcus spiralis internus | |
|---|---|
 Floor of ductus cochlearis. | |
| Details | |
| Identifiers | |
| Latin | Sulcus spiralis internus |
| TA98 | A15.3.03.123 |
| FMA | 77850 77850, 77850 |
| Anatomical terminology | |
References edit
This article incorporates text in the public domain from page 1055 of the 20th edition of Gray's Anatomy (1918)
External links edit
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