| 词条 | Sulcus spiralis internus |
| 释义 |
| Name = Sulcus spiralis internus | Latin = Sulcus spiralis internus | Image = Gray929.png | Caption = Floor of ductus cochlearis. | Image2 = | Caption2 = | Precursor = | System = | Artery = | Vein = | Nerve = | Lymph = }} 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. References{{Gray's}}External links
1 : Ear |
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