The inner surface of the mastoid portion of the temporal bone presents a deep, curved groove, the sigmoid sulcus, which lodges part of the transverse sinus; in it may be seen the opening of the mastoid foramen.
| Sigmoid sulcus | |
|---|---|
 Left temporal bone. Inner surface. (Sigmoid sulcus visible at center left.) | |
 Base of the skull. Upper surface. (Sigmoid sulcus not labeled, but is visible near mastoid foramen.) | |
| Details | |
| Identifiers | |
| Latin | sulcus sinus sigmoidei ossis temporalis |
| TA98 | A02.1.06.006 |
| TA2 | 456 |
| FMA | 55499 |
| Anatomical terms of bone | |
References
This article incorporates text in the public domain from page 142 of the 20th edition of Gray's Anatomy (1918)
External links
- "Anatomy diagram: 34257.000-2". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2013-06-22.
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