| Petro-occipital fissure | |
|---|---|
 Base of the skull. Upper surface. (Petro-occipital fissure is not labeled, but petrous portion is bottom part of temporal bone, in pink, and occipital bone is at bottom, in blue.) | |
| Details | |
| Identifiers | |
| Latin | fissura petrooccipitalis |
| TA98 | A02.1.00.047 |
| TA2 | 450 |
| FMA | 75039 |
| Anatomical terminology | |
This grooved surface of the foramen magnum is separated on either side from the petrous portion of the temporal bone by the petro-occipital fissure, which is occupied in the fresh state by a plate of cartilage; the fissure is continuous behind with the jugular foramen, and its margins are grooved for the inferior petrosal sinus.
References
This article incorporates text in the public domain from page 193 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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