| Fneg | false negative |
|---|---|
| FNF | false-negative fraction; femoral neck fracture |
| FNT | false neurochemical transmitter; farnesyltransferase |
| FP | false positive; family physician; family planning; family practice; family practitioner; Fanconi pan... |
| FPF | false positive fraction; fibroblast pneumocyte factor |
| duodenal narrowing or obstruction | <radiology> Congenital (see double bubble sign), duodenal atresia: neonatal presentation, annular pancreas: infants or adults, duodenal web/diaphragm, Ladd's bands, duplication cyst, inflammatory, postbulbar ulcer, Crohn disease, infections: TB, Strongyloides, pancreatitis, pancreatic pseudocyst, radiation injury, malignant, duodenal adenocarcinoma/lymphoma, pancreatic carcinoma, metastatic disease, traumatic, intramural haematoma, vascular, superior mesenteric artery syndrome (12 Dec 1998) |
|---|---|
| intestinal obstruction | <surgery> A blockage of the bowel lumen prohibiting the passage of material. Common symptoms include constipation, abdominal swelling and abdominal pain. Treatment includes intravenous fluids, rest, nasogastric suction and surgery in select cases. (27 Sep 1997) |
| intestinal pseudo-obstruction | <radiology> Chronic idiopathic intestinal pseudo-obstruction, autosomal dominant, variable penetrance, insidious onset in child or young adult, intermittent episodes, dysphagia, vomiting, abdominal pain/distention, diarrhoea, constipationn, small bowel involvement most common, megaduodenum, ileus simulating obstruction (12 Dec 1998) |
| obstruction | 1. The act of blocking or clogging. 2. The state or condition of being clogged. Origin: L. Obstructio (18 Nov 1997) |
| ureteropelvic junction obstruction | <urology> A blockage of a ureter in the region where the ureter enters the anatomic pelvis (close to the bladder). This is caused most often by a kidney stone but can also be caused by external (or internal) compression from a tumour. (27 Sep 1997) |
| ureteropelvic obstruction | A blocking or stenosis, usually congenital, at the junction of the renal pelvis and ureter, usually resulting in stasis, pelvocaliectasis, hydronephrosis, or calyceal clubbing. (05 Mar 2000) |
| ureterovesical obstruction | Obstruction of the lower ureter at its entrance into the bladder. (05 Mar 2000) |
| urethral obstruction | Obstruction anywhere along the urethra. (12 Dec 1998) |
| lacrimal duct obstruction | Interference with the secretion of tears by the lacrimal glands. Obstruction of the lacrimal sac or nasolacrimal duct causing acute or chronic inflammation of the lacrimal sac (dacryocystitis). It is caused also in infants by failure of the nasolacrimal duct to open into the inferior meatus and occurs about the third week of life. In adults occlusion may occur spontaneously or after injury or nasal disease. (12 Dec 1998) |
| aneurysm, false | An aneurysm in which the entire wall is injured and the blood is contained by the surrounding tissues, with eventual formation of a sac communicating with the artery or heart. (12 Dec 1998) |
| positive, false | A result that is erroneously positive when a situation is normal. An example of a false positive: a particular test designed to detect cancer of the toenail is positive but the person does not have toenail cancer. (12 Dec 1998) |
| negative, false | A result that appears negative but fails to reveal a situation. An example of a false negative: a particular test designed to detect cancer of the toenail is negative but the person has toenail cancer. (12 Dec 1998) |
| false | 1. Uttering falsehood; unveracious; given to deceit; dishnest; as, a false witness. 2. Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous; perfidious; as, a false friend, lover, or subject; false to promises. "I to myself was false, ere thou to me." (Milton) 3. Not according with truth or reality; not true; fitted or likely to deceive or disappoint; as, a false statement. 4. Not genuine or real; assumed or designed to deceive; counterfeit; hypocritical; as, false tears; false modesty; false colours; false jewelry. "False face must hide what the false heart doth know." (Shak) 5. Not well founded; not firm or trustworthy; erroneous; as, a false claim; a false conclusion; a false construction in grammar. "Whose false foundation waves have swept away." (Spenser) 6. Not essential or permanent, as parts of a structure which are temporary or supplemental. 7. Not in tune. False arch, construction works to facilitate the erection of the main work, as scaffolding, bridge centering, etc. Origin: L. Falsus, p.p. Of fallere to deceive; cf. OF. Faus, fals, F. Faux, and AS. Fals fraud. See Fail, Fall. Source: Websters Dictionary (01 Mar 1998) |
| false agglutination | 1. Agglomeration of particles in solution which does not involve antigen-antibody combination. Synonym: false agglutination. Synonym: rouleaux formation. (05 Mar 2000) |
| false albuminuria | Albuminuria resulting from the presence of blood escaping somewhere in the urinary tract, of chyle, or of some other albuminous fluid, not caused by filtration of albumin from the blood through the kidneys. Synonym: false albuminuria. (05 Mar 2000) |