| unilateral | <anatomy> Affecting only one side. Origin: L. Latus = side (18 Nov 1997) |
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| unilateral anaesthesia | <neurology> The inability to feel touches (tactile sensations) on one side of the body. (09 Oct 1997) |
| unilateral hemianopia | Uniocular hemianopia, loss of sight in one-half of the visual field of one eye only. (05 Mar 2000) |
| unilateral hermaphroditism | Hermaphroditism in which the doubling of sex characteristics occurs on one side only: ovotestis on one side and either ovary or testis on the other. (05 Mar 2000) |
| unilateral hyperlucent lung | Chronic bronchiolitis obliterans predominating on one side. See: unilateral lobar emphysema. (05 Mar 2000) |
| unilateral large kidney | <radiology> Multifocal: xanthogranulomatous pyelonephritis (XGP), malakoplakia, multicystic dysplastic kidney Cf: other urographic patterns smooth kidney: renal vein thrombosis, acute arterial infarction, obstructive uropathy, acute bacterial nephritis, compensatory hypertrophy, duplicated pelvocalyceal system Cf: other urographic patterns multifocal: solid neoplastic mass, malignant, adenocarcinoma, adult nephroblastoma, invasive transitional cell carcinoma, sarcoma, metastasis, benign, hamartoma, adenoma, mesenchymal tumour cystic mass, simple cyst, focal hydronephrosis, multilocular cystic nephroma, arteriovenous malformation Cf: other urographic patterns (12 Dec 1998) |
| unilateral lobar emphysema | A state in which the roentgenographic density of one lung (or one lobe) is markedly less than the density of the other(s) because of the presence of air trapped during expiration. Synonym: Macleod's syndrome, Swyer-James syndrome. (05 Mar 2000) |
| unilateral rib notching | <radiology> Aortic coarctation, proximal to left subclavian artery most likely to be right, anomalous right subclavian artery most likely to be left, subclavian artery stenosis / atresia, most likely to be IPSIlateral, Blalock-Taussig shunt, anastamosis of subclavian artery to pulmonary artery, for Tetralogy of Fallot, most likely to be IPSIlateral (12 Dec 1998) |
| unilateral small kidney | <radiology> Scarred: reflux nephropathy, lobar infarction Cf: other urographic patterns smooth kidney: ischemia due to focal arterial disease, chronic infarction, radiation nephritis, congenital hypoplasia, post-obstructive atrophy, post-inflammatory atrophy, reflux atrophy Cf: other urographic patterns (12 Dec 1998) |
| balanced bite | The simultaneous contacting of the upper and lower teeth on the right and left and in the anterior and posterior occlusal areas in centric and eccentric positions within the functional range; used primarily in reference to the mouth, but also arranged and observed on articulators, developed to prevent a tipping or rotating of the denture bases in relation to the supporting structures. Synonym: balanced articulation, balanced bite. (05 Mar 2000) |
| biscuit bite | A record of the relation of the mandible to the maxillae, the act of recording the relation of the mandible to the maxillae. Synonym: biscuit bite, maxillomandibular registration. (05 Mar 2000) |
| bite | 1. To seize with the teeth, so that they enter or nip the thing seized; to lacerate, crush, or wound with the teeth; as, to bite an apple; to bite a crust; the dog bit a man. "Such smiling rogues as these, Like rats, oft bite the holy cords atwain." (Shak) 2. To puncture, abrade, or sting with an organ (of some insects) used in taking food. 3. To cause sharp pain, or smarting, to; to hurt or injure, in a literal or a figurative sense; as, pepper bites the mouth. "Frosts do bite the meads." 4. To cheat; to trick; to take in. 5. To take hold of; to hold fast; to adhere to; as, the anchor bites the ground. "The last screw of the rack having been turned so often that its purchase crumbled, . . . It turned and turned with nothing to bite." (Dickens) To bite the dust, To bite the ground, to fall in the agonies of death; as, he made his enemy bite the dust. To bite in, to corrode or eat into metallic plates by means of an acid. To bite the thumb at (any one), formerly a mark of contempt, designed to provoke a quarrel; to defy. "Do you bite your thumb at us ?" . To bite the tongue, to keep silence. Origin: OE. Biten, AS. Bitan; akin to D. Bijten, OS. Bitan, OHG. Bizan, G. Beissen, Goth. Beitan, Icel. Bita, Sw. Bita, Dan. Bide, L. Findere to cleave, Skr. Bhid to cleave. Cf. Fissure. 1. To seize something forcibly with the teeth; to wound with the teeth; to have the habit of so doing; as, does the dog bite? 2. To cause a smarting sensation; to have a property which causes such a sensation; to be pungent; as, it bites like pepper or mustard. 3. To cause sharp pain; to produce anguish; to hurt or injure; to have the property of so doing. "At the last it [wine] biteth like serpent, and stingeth like an adder." (Prov. Xxiii. 32) 4. To take a bait into the mouth, as a fish does; hence, to take a tempting offer. 5. To take or keep a firm hold; as, the anchor bites. 1. The act of seizing with the teeth or mouth; the act of wounding or separating with the teeth or mouth; a seizure with the teeth or mouth, as of a bait; as, to give anything a hard bite. "I have known a very good fisher angle diligently four or six hours for a river carp, and not have a bite." (Walton) 2. The act of puncturing or abrading with an organ for taking food, as is done by some insects. 3. The wound made by biting; as, the pain of a dog's or snake's bite; the bite of a mosquito. 4. A morsel; as much as is taken at once by biting. 5. The hold which the short end of a lever has upon the thing to be lifted, or the hold which one part of a machine has upon another. 6. A cheat; a trick; a fraud. "The baser methods of getting money by fraud and bite, by deceiving and overreaching." (Humorist) 7. A sharper; one who cheats. 8. A blank on the edge or corner of a page, owing to a portion of the frisket, or something else, intervening between the type and paper. Origin: OE. Bite, bit, bitt, AS. Bite bite, fr. Bitan to bite, akin to Icel. Bit, OS. Biti, G. Biss. See Bite, v, and cf. Bit. Source: Websters Dictionary (01 Mar 1998) |
| bite analysis | A study of the relations of the occlusal surfaces of opposing teeth and their effect upon related structures. Synonym: bite analysis. (05 Mar 2000) |
| bite force | The force applied by the masticatory muscles in dental occlusion. (12 Dec 1998) |
| bite fork | <dentistry> That part of the face-bow assemblage used to attach the maxillary trial base to the face-bow proper. Synonym: bite fork. (05 Mar 2000) |