| sulcus occipitalis superior | One of several small and variable sulci bordering the superior occipital gyri on the upper aspect of the occipital lobe of the cerebrum. Synonym: sulcus occipitalis superior. (05 Mar 2000) |
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| sulcus occipitalis transversus | The posterior, vertical limb of the intraparietal sulcus. Synonym: sulcus occipitalis transversus. (05 Mar 2000) |
| sulcus parieto-occipitalis | A very deep, almost vertically oriented fissure on the medial surface of the cerebral cortex, marking the border between the parietal lobe and the cuneus of the occipital lobe; its lower part curves forward and fuses with the anterior extent of the calcarine fissure (sulcus calcarinus); the great depth of this combined fissure causes a bulge in the medial wall of the occipital horn of the lateral ventricle, the calcar avis. Synonym: sulcus parieto-occipitalis, fissura parietooccipitalis, parieto-occipital fissure. (05 Mar 2000) |
| synchondrosis petro-occipitalis | Fibrocartilage filling the petro-occipital fissure. Synonym: synchondrosis petro-occipitalis. (05 Mar 2000) |
| synchondrosis spheno-occipitalis | Cartilaginous union between the body of the sphenoid and the basilar portion of the occipital; it fuses by the twentieth year; incorrectly called spheno-occipital suture. Synonym: synchondrosis spheno-occipitalis, spheno-occipital joint, spheno-occipital suture. (05 Mar 2000) |
| incisura jugularis ossis occipitalis | The notch in the occipital bone which forms one boundary of the jugular foramen. Synonym: incisura jugularis ossis occipitalis. (05 Mar 2000) |
| occipitalis | <anatomy> The posterior belly of the occipitofrontalis muscle. See: occipitofrontalis muscle. Synonym: venter occipitalis musculi occipitofrontalis, occipitalis muscle. (05 Mar 2000) |
| torus occipitalis | An occasional ridge near the superior nuchal line of the occipital bone. (05 Mar 2000) |
| trachelo-occipitalis | Archaic term for semispinalis capitis muscle. (05 Mar 2000) |
| fissura petro-occipitalis | A fissure between the petrous part of the temporal bone and the basilar part of the occipital bone that extends anteromedially from the jugular foramen; includes the jugular foramem (at its posterior end). Synonym: fissura petro-occipitalis, Ecker's fissure. (05 Mar 2000) |
| lobus occipitalis cerebri | The posterior, somewhat pyramid-shaped part of each cerebral hemisphere, demarcated by no distinct surface markings on the lateral convexity of the hemisphere from the parietal and temporal lobes, but sharply delineated from the parietal lobe by the parieto-occipital sulcus on the medial surface. Synonym: lobus occipitalis cerebri, occipital lobe. (05 Mar 2000) |
| margo | Synonym: margin, border. Origin: L. (05 Mar 2000) |
| margo acetabularis | An alternate term for margin of acetabulum. (05 Mar 2000) |
| margo anterior fibulae | A ridge on the shaft of the fibula to which is attached the anterior intermuscular septum of the leg. Synonym: margo anterior fibulae. (05 Mar 2000) |
| margo anterior pancreatis | The sharp margin between the anterior and inferior surfaces of the pancreas. Synonym: margo anterior pancreatis. (05 Mar 2000) |