| OAG | open angle glaucoma |
|---|---|
| OCS | occipital condyle syndrome; Ondine's curse syndrome; open canalicular system; oral contraceptive ste... |
| OD | Doctor of Optometry; obtained absorbance; occipital dysplasia; occupational dermatitis; occupational... |
| OF | occipitofrontal; open field [test]; optical fundus; orbitofrontal; osmotic fragility; osteitis fibro... |
| OH | hydroxycorticosteroid; obstructive hypopnea; occipital horn; occupational health; occupational histo... |
| Billroth's operation II | Resection of the pylorus with the greater part of the lesser curvature of the stomach, closure of the cut ends of the duodenum and stomach, followed by a gastrojejunostomy. Synonym: Billroth II anastomosis. (05 Mar 2000) |
|---|---|
| Blalock-Hanlon operation | The creation of a large atrial septal defect as a palliative procedure for complete transposition of the great arteries. (05 Mar 2000) |
| Blalock-Taussig operation | An operation for congenital malformations of the heart, in which an abnormally small volume of blood passes through the pulmonary circuit; blood from the systemic circulation is directed to the lungs by anastomosing the right or left subclavian artery to the right or left pulmonary artery. (05 Mar 2000) |
| bloodless operation | An operation performed with negligible loss of blood. (05 Mar 2000) |
| Bozeman's operation | An operation for uterovaginal fistula, the cervix uteri being attached to the bladder and opening into its cavity. (05 Mar 2000) |
| Bricker operation | An operation utilizing an isolated segment of ileum to collect urine from the ureters and conduct it to the skin surface. (05 Mar 2000) |
| Brock operation | Transventricular valvotomy for relief of pulmonic valvar stenosis. Obsolete procedure. (05 Mar 2000) |
| Brunschwig's operation | Removal of the urinary bladder, lower parts of the ureter, vagina, uterus, adnexa, rectum, anus, and adjacent lymph nodes; a colostomy and urinary diversion are necessary. Synonym: Brunschwig's operation. (05 Mar 2000) |
| Burow's operation | An operation in which triangles of skin adjacent to a sliding flap are excised to facilitate movement of the flap. (05 Mar 2000) |
| Caldwell-Luc operation | An intraoral procedure for opening into the maxillary antrum through the supradental (canine) fossa above the maxillary premolar teeth. Synonym: intraoral antrostomy, Luc's operation. (05 Mar 2000) |
| capital operation | An obsolete term for an operation of such magnitude or involving vital organs to such an extent that it is per se dangerous to life. (05 Mar 2000) |
| Carmody-Batson operation | Reduction of fractures of the zygoma and zygomatic arch through an intraoral incision above the maxillary molar teeth. (05 Mar 2000) |
| radical operation for hernia | An operation by which the hernia is not only reduced, but the hernial defect is also repaired. (05 Mar 2000) |
| Madlener operation | Tubal sterilization by clamp and tie. (05 Mar 2000) |
| major operation | An extensive, relatively difficult surgical procedure involving vital organs and/or in itself hazardous to life. (05 Mar 2000) |