| misc | miscarriage; miscellaneous |
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| TAT | tetanus antitoxin; thematic apperception test; thematic aptitude test; thrombin-antithrombin complex... |
| TAT | Tray Agglutination Test |
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shelf force
channel-shoulder-pin attachment
| tray | Origin: OE. Treye, AS. Treg. Cf. Trough. 1. A small trough or wooden vessel, sometimes scooped out of a block of wood, for various domestic uses, as in making bread, chopping meat, etc. 2. A flat, broad vessel on which dishes, glasses, etc, are carried; a waiter; a salver. 3. A shallow box, generally without a top, often used within a chest, trunk, box, etc, as a removable receptacle for small or light articles. Source: Websters Dictionary (01 Mar 1998) |
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| Blumer's shelf | A shelf palpable by rectal examination, due to metastatic tumour cells gravitating from an abdominal cancer and growing in the rectovesical or rectouterine pouch. Synonym: Blumer's shelf. (05 Mar 2000) |
| palatal shelf | A medially directed outgrowth of the embryonic maxilla; when fused with its opposite number it forms the secondary palate. (05 Mar 2000) |
| rectal shelf | A shelf palpable by rectal examination, due to metastatic tumour cells gravitating from an abdominal cancer and growing in the rectovesical or rectouterine pouch. Synonym: Blumer's shelf. (05 Mar 2000) |
| vocal shelf | One of Ferrein's cords; the sharp edge of a fold of mucous membrane overlying the vocal ligament and stretching along either wall of the larynx from the angle between the laminae of the thyroid cartilage to the vocal process of the arytenoid cartilage; the vocal folds are the agents concerned in voice production. Synonym: plica vocalis, chorda vocalis, labium vocale, true vocal cord, vocal cord, vocal shelf. (05 Mar 2000) |
| shelf | Origin: OE. Shelfe, schelfe, AS. Scylfe; akin to G. Schelfe, Icel. Skjalf. In senses 2 & 3, perhaps a different word (cf. Shelve,). 1. A flat tablet or ledge of any material set horizontally at a distance from the floor, to hold objects of use or ornament. 2. A sand bank in the sea, or a rock, or ledge of rocks, rendering the water shallow, and dangerous to ships. "On the tawny sands and shelves." (Milton) "On the secret shelves with fury cast." (Dryden) 3. <chemical> A stratum lying in a very even manner; a flat, projecting layer of rock. 4. A piece of timber running the whole length of a vessel inside the timberheads. To lay on the shelf, to lay aside as unnecessary or useless; to dismiss; to discard. Source: Websters Dictionary (01 Mar 1998) |
| shelf procedure | Insertion of a graft from the ilium into the roof of the acetabulum for congenital dislocation of the hip. (05 Mar 2000) |
| dental shelf | dental ledge |
| 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) |
| 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) |
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