Sigmoid sulcus
Fold in the back of the temporal bone
Sigmoid sulcus | |
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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 [edit on Wikidata] |
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.
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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Neurocranium of the skull
Squamous part |
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Lateral parts | |
Basilar part |
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Other |
Squamous part |
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Orbital part |
Squamous part | |
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Mastoid part |
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Petrous part |
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Tympanic part |
Surfaces |
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Great wings | |
Small wings | |
Pterygoid processes | |
Other |
Plates | |
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Surfaces |
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Labyrinth |
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