| BSO | bilateral sagittal osteotomy; bilateral salpingo-oophorectomy; British School of Osteopathy; butathi... |
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| UTO | upper tibial osteotomy; urinary tract obstruction |
| LPO | Left Posterior Oblique view |
| RPO | Right Posterior Oblique view |
| ALAO | angiographic area of left anterior oblique projection |
| HTO | High tibial osteotomy |
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| RAO | Rotational acetabular osteotomy |
| SSRO | Sagittal split ramus osteotomy |
| BSSO | bilateral sagittal split osteotomy |
| LAO | Left Anterior Oblique |
| sliding oblique osteotomy | An oral surgical procedure in which the mandibular ramus is cut vertically from the sigmoid notch to the angle to facilitate posterior repositioning of the mandible in correction of mandibular prognathism; it may be performed extraorally or intraorally, and is similar to vertical osteotomy. (05 Mar 2000) |
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| C sliding osteotomy | An extraoral osteotomy in the shape of a "C" performed bilaterally in the mandibular rami for the correction of retrognathia and/or apertognathia. (05 Mar 2000) |
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| vertical osteotomy | An oral surgical procedure similar to sliding oblique osteotomy. (05 Mar 2000) |
| sagittal split mandibular osteotomy | An intraoral surgical procedure for correction of retrognathism, apertognathia, and prognathism; the mandibular rami and posterior body are sectioned in the sagittal plane. (05 Mar 2000) |
| segmental alveolar osteotomy | An intraoral surgical procedure in which segments of alveolar bone containing teeth are sectioned between, and apically to, the teeth for the repositioning of the alveolus and teeth; it may be maxillary or mandibular, and may be combined with ostectomy. (05 Mar 2000) |
| horizontal osteotomy | An osteotomy performed intraorally for genioplasty; the inferior aspect of the anterior mandible is advanced or retruded by movement of the free segment. (05 Mar 2000) |
| osteotomy | <procedure, surgery> The surgical cutting of a bone. Origin: Gr. Temnein = to cut (18 Nov 1997) |
| osteotomy, le fort | Transverse sectioning and repositioning of the maxilla. There are three types: le fort I osteotomy for maxillary advancement or the treatment of maxillary fractures; le fort II osteotomy for the treatment of maxillary fractures; le fort III osteotomy for the treatment of maxillary fractures with fracture of one or more facial bones. Le fort III is often used also to correct craniofacial dysostosis and related facial abnormalities. (12 Dec 1998) |
| Le Fort osteotomy | An osteotomy often done to correct a maxillary skeletal deformity. Classified as Le Fort osteotomy I, II, or III, depending upon the location. (05 Mar 2000) |
| sliding | 1. That slides or slips; gliding; moving smoothly. 2. Slippery; elusory. "That sliding science hath me made so bare." (Chaucer) Sliding friction, the timber guides used in launching a vessel. Source: Websters Dictionary (01 Mar 1998) |
| sliding filament hypothesis | The theory that the contracting muscle shortens because two sets of filaments slide past each other. (05 Mar 2000) |
| sliding filament model | <cell biology> Generally accepted model for the way in which contraction occurs in the sarcomere of striated muscle, by the sliding of the thick filaments relative to the thin filaments. (18 Nov 1997) |
| sliding flap | A rectangular flap raised in an elastic area, with its free end adjacent to a defect; the defect is covered by stretching the flap longitudinally until the end comes over it. Synonym: advancement flap, French flap. (05 Mar 2000) |
| sliding hernia | A hernia in which an abdominal viscus forms part of the sac. Synonym: extrasaccular hernia, parasaccular hernia, slipped hernia. (05 Mar 2000) |
| sliding hiatal hernia | <radiology> Axial hernia, concentric hernia, 99% of hiatal hernias, portion of peritoneal sac forms part of wall of hernia, aetiology: rupture of phrenicoesophageal membrane due to repetitive stretching with swallowing, incidence: increases with age Findings: UGI, epiphrenic bulge, distance between B ring and hiatal margin greater than 2cm, tortuous oesophagus, gastroesophageal reflux, greater than 6 thick gastric folds within suprahiatal pouch, CT, dehiscence of diaphragmtic crura greater than 15 mm, pseudomass within/above distal oesophagus, fat (omemtum) surrounding distal oesophagus (12 Dec 1998) |
| sliding hook | A movable attachment used on an orthodontic wire for the application of elastic traction or headgear force. (05 Mar 2000) |
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