| OTS | occipital temporal sulcus; orotracheal suction |
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| PGO | ponto-geniculo-occipital [spike] |
| PO | by mouth, orally [Lat. per os]; parieto-occipital; parietal operculum; period of onset; perioperativ... |
| SO | salpingo-oophorectomy; Schlatter-Osgood [test]; second opinion; sex offender; spheno-occipital [sync... |
| SOA-MCA | superficial occipital artery to middle cerebral artery |
| 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) |
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| 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) |
| superior occipital gyrus | A gyrus lying above the lateral occipital sulcus on the lateral surface of the occipital lobe. (05 Mar 2000) |
| superior occipital sulcus | 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) |
| descending branch of occipital artery | <anatomy, artery> Origin: occipital artery within occipital groove; distribution: posterior neck muscles and cervical trapezius muscle; anastomoses: superficial and deep cervical arteries, vertebral artery. Synonym: ramus descendens arteriae occipitalis, princeps cervicis artery, princeps cervicis. (05 Mar 2000) |
| inferior occipital gyrus | A gyrus situated below the lateral occipital sulcus on the lower part of the lateral surface of the occipital lobe. (05 Mar 2000) |
| inferior occipital triangle | A triangle with its apex at the external occipital protuberance; its base is formed by a line joining the two mastoid processes. (05 Mar 2000) |
| internal occipital crest | A ridge running from the internal occipital protuberance to the posterior margin of the foramen magnum, giving attachment to the falx cerebelli. Synonym: crista occipitalis interna. (05 Mar 2000) |
| internal occipital protuberance | A projection from about the centre of the cruciform eminence on the inner surface of the occipital bone. Synonym: protuberantia occipitalis interna. (05 Mar 2000) |
| occipital | <anatomy> Of or pertaining to the occiput, or back part of the head, or to the occipital bone. <anatomy> Occipital bone, the point of the occiput in the mesial plane farthest from the ophryon. Origin: Cf. F. Occipital. <anatomy> The occipital bone. Source: Websters Dictionary (01 Mar 1998) |
| occipital anchorage | Anchorage in which the top and back of the head are used for resistance by means of a headgear. (05 Mar 2000) |
| occipital artery | <anatomy, artery> Origin, external carotid; branches, sternocleidomastoid, meningeal, auricular, occipital, mastoid, and descending. Synonym: arteria occipitalis. (05 Mar 2000) |
| occipital belly of occipitofrontalis muscle | <anatomy> The posterior belly of the occipitofrontalis muscle. See: occipitofrontalis muscle. Synonym: venter occipitalis musculi occipitofrontalis, occipitalis muscle. (05 Mar 2000) |
| occipital border | Edge of a bone which articulates with the occipital bone. See: occipital border of parietal bone, occipital border of temporal bone. Synonym: margo occipitalis, occipital margin. (05 Mar 2000) |
| occipital branch | Nomina Anatomica lists occipital branches of 1) posterior auricular artery (rami occipitalis arteriae auricularis posterior; 2) posterior auricular nerve (rami occipitalis nervi auricularis posterioris; and 3) occipital artery, rami occipitales arteriae occipitis. Synonym: ramus occipitalis. (05 Mar 2000) |