| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
|---|---|
| BSO | bilateral sagittal osteotomy; bilateral salpingo-oophorectomy; British School of Osteopathy; butathi... |
| UTO | upper tibial osteotomy; urinary tract obstruction |
| FH | facial hemihyperplasia; familial hypercholesterolemia; family history; fasting hyperbilirubinemia; f... |
| hor | horizontal |
| H | Horizontal |
|---|---|
| HC | Horizontal cells |
| H-VOR | horizontal vestibulo-ocular reflex |
| HTO | High tibial osteotomy |
| RAO | Rotational acetabular osteotomy |
| 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) |
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| vertical osteotomy | An oral surgical procedure similar to sliding oblique 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) |
| 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) |
| 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) |
| 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) |
| palatine surface of horizontal plate of palatine bone | The inferior surface of the horizontal plate of the palatine bone. Synonym: facies palatina laminae horizontalis ossis palatini. (05 Mar 2000) |
| medial crus of the horizontal part of the facial canal | Medially-placed, anteriorly-directed first portion of the horizontal part of the facial canal. See: horizontal part of facial canal. Synonym: medial crus of the horizontal part of the facial canal. (05 Mar 2000) |
| great horizontal fissure | Horizontal fissure that divides the ansiform lobule into its major parts, crus I (superior semilunar lobule) and crus II (inferior semilunar lobule). Synonym: fissura horizontalis cerebelli, great horizontal fissure. (05 Mar 2000) |
| horizontal | 1. Pertaining to, or near, the horizon. "Horizontal misty air." 2. Parallel to the horizon; on a level; as, a horizontalline or surface. 3. Measured or contained in a plane of the horizon; as, horizontal distance. Horizontal drill, a drilling machine having a horizontal drill spindle. Horizontal engine, one the piston of which works horizontally. Horizontal fire, the fire of ordnance and small arms at point-blank range or at low angles of elevation. <physics> Horizontal force, the distance in a horizontal plane to which a gun will throw a projectile. Horizontal water wheel, a water wheel in which the axis is vertical, the buckets or floats revolving in a horizontal plane, as in most turbines. Origin: Cf. F. Horizontal. Source: Websters Dictionary (01 Mar 1998) |
| horizontal atrophy | A progressive loss of alveolar and supporting bone surrounding the teeth, beginning at the most coronal level of the bone. Synonym: horizontal resorption. (05 Mar 2000) |
| horizontal beam film | A radiograph made with the central axis of the X-ray beam parallel to the floor, able to show an air-fluid level. (05 Mar 2000) |
| horizontal cell | A type of nonspiking interneuron found in the retina, named for its morphology. Horizontal cells process the information from a large number of photoreceptors and synapse onto ganglion cells and other cell types in the retina. (18 Nov 1997) |
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