| SO | salpingo-oophorectomy; Schlatter-Osgood [test]; second opinion; sex offender; spheno-occipital [sync... |
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| SOA-MCA | superficial occipital artery to middle cerebral artery |
| SOMI | sternal occipital mandibular immobilization |
| CjvO2 | jugular venous oxygen content |
| EJ | elbow jerk; external jugular |
| meningeal branch of occipital artery | <anatomy, artery> One of the variable branches of the occipital artery which may pass through the jugular or parietal foramina or condyloid canal to reach the dura mater and bone of the posterior cranial fossa, as well as the intracranial portions of the caudal four cranial neres. Synonym: ramus meningeus arteriae occipitalis. (05 Mar 2000) |
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| childhood epilepsy with occipital paroxysms | A benign epilepsy syndrome characterised by frequent occipital spikes often activated by eye closure. It has a seizure semiology that includes visual manifestations; not always remitting later in life. (05 Mar 2000) |
| greater occipital nerve | <anatomy, nerve> Medial branch of the dorsal primary ramus of the second cervical nerve; sends branches to the semispinalis capitis and multifidus cervicis, but is mainly cutaneous, supplying the back part of the scalp. Synonym: nervus occipitalis major. (05 Mar 2000) |
| petro-occipital | Denoting the cranial suture between the occipital bone and the petrous portion of the temporal. Synonym: petroccipital. (05 Mar 2000) |
| petro-occipital fissure | 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) |
| petro-occipital joint | Fibrocartilage filling the petro-occipital fissure. Synonym: synchondrosis petro-occipitalis. (05 Mar 2000) |
| posterior atlanto-occipital membrane | The fibrous membrane that attaches between the posterior arch of the atlas and the posterior margin of the foramen magnum. Synonym: membrana atlanto-occipitalis posterior. (05 Mar 2000) |
| spheno-occipital | Relating to the sphenoid bone and the basilar process of the occipital bone. Synonym: spheno-occipital, sphenoccipital. (05 Mar 2000) |
| spheno-occipital joint | 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) |
| spheno-occipital suture | 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) |
| spheno-occipital synchondrosis | 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) |
| squamo-occipital | Relating to the squamous portion of the occipital bone, developing partly in membrane and partly in cartilage. (05 Mar 2000) |
| naso-occipital arc | The arc in the midline from the root of the nose to the inferior limit of the external occipital protuberance. (05 Mar 2000) |
| sternocleidomastoid branch of occipital artery | <anatomy, artery> Branches of occipital artery to sternocleidomastoid muscle. One often hooks around hypoglossal nerve. It may arise as an independent branch of the external carotid, in which case it may be referred to as the sternomastoid artery. Synonym: rami sternocleidomastoidei arteriae occipitalis. (05 Mar 2000) |
| sulcus of occipital artery | A narrow groove medial to the mastoid notch of the temporal bone that lodges the occipital artery. Synonym: sulcus arteriae occipitalis, sulcus of occipital artery. (05 Mar 2000) |