| LSO | lateral superior olive; left salpingo-oophorectomy; left superior oblique; lumbosacral orthosis |
|---|---|
| RSR | regular sinus rhythm; relative survival rate; right superior rectus [muscle] |
| SR | sarcoplasmic reticulum; saturation recovery; scanning radiometer; screen; secretion rate; sedimentat... |
| ASD | Atrial Septal Defect Types of ASD 1. Ostium Primum ASD ... |
| CS | calf serum; campomelic syndrome; carcinoid syndrome; cardiogenic shock; caries-susceptible; carotid ... |
| sagittal sulcus | The groove in the midline of the inner table of the calvaria lodging the superior sagittal sinus. Synonym: sulcus sinus sagittalis superioris, sagittal groove, sagittal sulcus, superior longitudinal sulcus. (05 Mar 2000) |
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| sagittal suture | Line of union between the two parietal bones. Synonym: sutura sagittalis, interparietal suture, sutura interparietalis. (05 Mar 2000) |
| sagittal synostosis | <anatomy> A deformed condition of the skull, in which the vault is narrow, clongated, and more or less boat-shaped. Origin: Gr. A boat + head. Source: Websters Dictionary (01 Mar 1998) |
| left sagittal fissure | A sagittal groove on the undersurface of the liver formed by the fissura ligamenti teretis anteriorly and the fissura ligamenti venosi posteriorly. (05 Mar 2000) |
| groove for superior petrosal sinus | A groove on the crest of the petrous portion of the temporal bone in which rests the superior petrosal sinus. Synonym: sulcus sinus petrosi superioris, superior petrosal sulcus. (05 Mar 2000) |
| sinus petrosus superior | A paired dural venous sinus in the groove along the crest of the petrous temporal bone, connecting the cavernous sinus with the termination of the transverse sinus or beginning of the sigmoid sinus. Synonym: sinus petrosus superior. (05 Mar 2000) |
| sinus sagittalis superior | An unpaired dural venous sinus in the sagittal groove, beginning at the foramen caecum and terminating at the confluence of sinuses where it merges with the straight sinus; receives the superior cerebral veins and has lateral extensions, the lateral venous lacunae. Synonym: sinus sagittalis superior, superior longitudinal sinus. Tarsal sinus, a hollow or canal formed by the groove of the talus and the interosseous groove of the calcaneus which is occupied by the interosseous talocalcaneal ligament. Synonym: sinus tarsi, tarsal canal. (05 Mar 2000) |
| superior longitudinal sinus | An unpaired dural venous sinus in the sagittal groove, beginning at the foramen caecum and terminating at the confluence of sinuses where it merges with the straight sinus; receives the superior cerebral veins and has lateral extensions, the lateral venous lacunae. Synonym: sinus sagittalis superior, superior longitudinal sinus. Tarsal sinus, a hollow or canal formed by the groove of the talus and the interosseous groove of the calcaneus which is occupied by the interosseous talocalcaneal ligament. Synonym: sinus tarsi, tarsal canal. (05 Mar 2000) |
| superior petrosal sinus | A paired dural venous sinus in the groove along the crest of the petrous temporal bone, connecting the cavernous sinus with the termination of the transverse sinus or beginning of the sigmoid sinus. Synonym: sinus petrosus superior. (05 Mar 2000) |
| superior branch of the superior gluteal artery | <anatomy, artery> Runs between gluteus medius and minimus muscles, supplying both, and continuing to reach tensor fascia lata muscle. Synonym: ramus superior arteriae gluteae superioris. (05 Mar 2000) |
| superior dental branches of superior dental plexus | Branches passing from the superior dental plexus to the roots of the teeth of the upper jaw. Synonym: rami dentales superiores plexus dentalis superioris. (05 Mar 2000) |
| superior gingival branches of superior dental plexus | Branches of superior dental plexus to gingiva of upper jaw. Synonym: rami gingivales superiores plexus dentalis superioris. (05 Mar 2000) |
| superior lingular branch of lingular branch of superior lobar left pulmonary artery | <anatomy, artery> Branch (of the lingular branch) of the left pulmonary artery serving the superior lingular segment of the superior lobe of the left lung. Synonym: ramus lingularis superior. (05 Mar 2000) |
| Amberg's lateral sinus line | A line dividing the angle formed by the anterior edge of the mastoid process and the temporal line. (05 Mar 2000) |
| aneurysm of sinus of Valsalva | A congenital thin-walled tubular out pouching usually in the right or non-coronary sinus with an entirely intracardiac course that may rupture into the right or rarely the left heart chambers to form an aortocardiac fistula. (05 Mar 2000) |