| AEF | allogenic effect factor; amyloid enhancing factor; aorto-enteric fistula |
|---|---|
| EC | effective concentration; ejection click; electrochemical; electron capture; embryonal carcinoma; eme... |
| E/C | endocystoscopy; enteric-coated; estrogen/creatinine ratio |
| ECAO | enteric cytopathogenic avian orphan [virus] |
| ECBO | enteric cytopathogenic bovine orphan [virus] |
| negative strand virus | A virus the genome of which is a strand of RNA that is complementary to messenger RNA; negative strand virus's also carry RNA polymerases necessary for the synthesis of messenger RNA. (05 Mar 2000) |
|---|---|
| negative taxis | The repulsion of protoplasm away from a stimulus. (05 Mar 2000) |
| negative thermotaxis | Repulsion of a plant or animal from heat. (05 Mar 2000) |
| negative transference | Transference characterised by predominantly hostile feelings on the part of the patient toward the analyst. (05 Mar 2000) |
| eyepiece, negative | <microscopy> An ocular in which the real image of the object is formed between two lenses. The Huygens type. (05 Aug 1998) |
| false negative | <statistics> A term used to indicate a test showed an incorrect negative result. (16 Dec 1997) |
| false-negative reaction | <statistics> An erroneous or mistakenly negative response. Negative test results in subjects who possess the attribute for which the test is conducted. The labeling of diseased persons as healthy when screening in the detection of disease. (05 Mar 2000) |
| lens, negative | <microscopy> A lens that is thicker on the edges than in the centre, and which causes parallel light rays to diverge. Synonym: diverging lens. (05 Aug 1998) |
| lower body negative pressure | External decompression applied to the lower body. It is used to study orthostatic intolerance and the effects of gravitation and acceleration, to produce simulated haemorrhage in physiologic research, to assess cardiovascular function, and to reduce abdominal stress during childbirth. (12 Dec 1998) |
| Abel's bacillus | Klebsiella pneumoniae subsp. Ozaenae See: Klebsiella ozaenae. (05 Mar 2000) |
| abortus bacillus | A species of the genus brucella whose natural hosts are cattle and other bovidae. Other mammals, including man, may be infected. Abortion and placentitis are frequently produced in the pregnant animal. (12 Dec 1998) |
| acne bacillus | A bacteria isolated from normal skin, intestinal contents, wounds, blood, pus, and soft tissue abscesses. It is a common contaminant of clinical specimens, presumably from the skin of patients or attendants. (12 Dec 1998) |
| bacillus | <bacteria> A genus of bacteria of the family Bacillaceae, including large aerobic or facultatively anaerobic, spore forming, rod shaped cells, the great majority of which are gram-positive and motile. The genus is separated into 48 species, of which three are pathogenic or potentially pathogenic and the remainder are saprophytic soil forms. Many organisms historically called Bacillus are now classified in other genera. (18 Nov 1997) |
| Bacillus amyloliquefaciens | A highly amylolytic species of soil bacteria that produces subtilisin. (05 Mar 2000) |
| bacillus amyloliquifaciens | <bacteria> Bacillus amyloliquifaciens is a Gram-positive, rod-shaped bacterium used to produce alpha-amylase and serine protease. (09 Oct 1997) |