| SCV | sensory nerve conduction velocity; smooth, capsulated, virulent; subclavian vein; squamous-cell carc... |
|---|---|
| VI | Roman numeral six; vaginal irrigation; variable interval; vastus intermedius; virgo intacta; virulen... |
| Vi | virulence, virulent |
| vir | virulent |
| vMDV | virulent Marek disease virus |
| VV | very virulent |
|---|---|
| ACB | Antibody-coated bacteria |
| BV | Bacteria vaginosis |
| BLPB | Beta-lactamase-producing bacteria |
| GNB | Gram negative bacteria |
| virulent | Extremely toxic, denoting a markedly pathogenic microorganism. Origin: L. Virulentus, poisonous (05 Mar 2000) |
|---|---|
| virulent bacteriophage | A bacteriophage that regularly causes lysis of the bacteria that it infects; it may exist in one or the other of only two forms, vegetative or mature; it does not have a probacteriophage form (i.e., its genome does not incorporate with that of the host bacterium), therefore it does not effect lysogenization. (05 Mar 2000) |
| virulent bubo | chancroidal bubo |
| virulent phage mutant | A mutant of a phage that is unable to establish lysogeny. (05 Mar 2000) |
| acetoclastic bacteria | <microbiology> Bacteria that use only acetic acid and produce methane during anaerobic fermentation. Origin: L. Acetum = vinegar. (06 May 1997) |
| acetogenic bacteria | <microbiology> Bacteria that convert carbon dioxide to sugars into acetate. Origin: L. Acetum = vinegar. (06 May 1997) |
| anaerobic bacteria | Bacteria which thrive in the absence of oxygen. (27 Sep 1997) |
| antibody-coated bacteria test, urinary | Fluorescent antibody technique for visualizing antibody-bacteria complexes in urine. The presence or absence of antibody-coated bacteria in urine correlates with localization of urinary tract infection in the kidney or bladder, respectively. (12 Dec 1998) |
| bacteria | <microbiology> One of the two major classes of prokaryotic organism (the other being the Cyanobacteria). Bacteria are small (linear dimensions of around 1 m), noncompartmentalised, with circular DNA and ribosomes of 70S. Protein synthesis differs from that of eukaryotes and many antibacterial antibiotics interfere with protein synthesis, but do not affect the infected host. Recently bacteria have been subdivided into Eubacteria and Archaebacteria, although some would consider the Archaebacteria to be a third kingdom, distinct from both Eubacteria and Eukaryotes. The Eubacteria can be further subdivided on the basis of their staining using Gram stain. Since the difference between gram-positive and gram-negative depends upon a fundamental difference in cell wall structure it is therefore more soundly based than classification on gross morphology alone (into cocci, bacilli, etc.). (02 Jan 1998) |
| bacteria-free stage of bacterial endocarditis | Endocarditis described prior to the antibiotic era and presumably due to spontaneous healing of the bacterial vegetations. (05 Mar 2000) |
| blue-green bacteria | <organism> Modern term for the blue green algae, prokaryotic cells that use chlorophyll on intracytoplasmic membranes for photosynthesis. The blue green colour is due to the presence of phycobiliproteins. Found as single cells, colonies or simple filaments. In Anabaena, in which the cells are arranged as a filament, heterocysts capable of nitrogen fixation occur at regular intervals. According to the endosymbiont theory Cyanobacteria are the progenitors of chloroplasts. (18 Nov 1997) |
| budding and appendaged bacteria | Bacteria that commonly possess unusual shapes, have complex life cycles, and divide by budding. Many have appendages which are sufficiently prominent that they can be detected by phase-contrast light microscopy. (12 Dec 1998) |
| magnetotactic bacteria | <microbiology> Bacteria that can orient themselves in the earth's magnetic field due to the presence of magnetosomes. (09 Oct 1997) |
| gliding bacteria | <microbiology> A type of bacteria which moves by gliding or creeping along solid substrates. (17 Dec 1997) |
| gram-negative aerobic bacteria | <microbiology> A large group of aerobic bacteria which show up as pink (negative) when treated by the gram-staining method. (12 Dec 1998) |
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