| D004405 |
Dysentery, Bacillary |
DYSENTERY caused by gram-negative rod-shaped enteric bacteria (ENTEROBACTERIACEAE), most often by the genus SHIGELLA. Shigella dysentery, Shigellosis, is classified into subgroups according to syndrome severity and the infectious species. Group A: SHIGELLA DYSENTERIAE (severest); Group B: SHIGELLA FLEXNERI; Group C: SHIGELLA BOYDII; and Group D: SHIGELLA SONNEI (mildest). |
Shigellosis,Dysentery, Shiga bacillus,Dysentery, Shigella boydii,Dysentery, Shigella dysenteriae,Dysentery, Shigella dysenteriae type 1,Dysentery, Shigella flexneri,Dysentery, Shigella sonnei,Shigella Dysentery,Shigella Infection,Bacillary Dysentery,Dysenteries, Shigella,Dysenteries, Shigella boydii,Dysenteries, Shigella dysenteriae,Dysenteries, Shigella flexneri,Dysenteries, Shigella sonnei,Dysentery, Shigella,Infection, Shigella,Infections, Shigella,Shiga bacillus Dysentery,Shigella Dysenteries,Shigella Infections,Shigella boydii Dysenteries,Shigella boydii Dysentery,Shigella dysenteriae Dysenteries,Shigella dysenteriae Dysentery,Shigella flexneri Dysenteries,Shigella flexneri Dysentery,Shigella sonnei Dysenteries,Shigella sonnei Dysentery |
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| D004755 |
Enterobacteriaceae |
A family of gram-negative, facultatively anaerobic, rod-shaped bacteria that do not form endospores. Its organisms are distributed worldwide with some being saprophytes and others being plant and animal parasites. Many species are of considerable economic importance due to their pathogenic effects on agriculture and livestock. |
Coliform Bacilli,Enterobacteria,Ewingella,Leclercia,Paracolobactrum,Sodalis |
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| D005618 |
Fresh Water |
Water containing no significant amounts of salts, such as water from RIVERS and LAKES. |
Freshwater,Fresh Waters,Freshwaters,Water, Fresh,Waters, Fresh |
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| D001419 |
Bacteria |
One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive. |
Eubacteria |
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| D012722 |
Sewage |
Refuse liquid or waste matter carried off by sewers. |
Sludge,Sludge Flocs |
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| D012760 |
Shigella |
A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that ferments sugar without gas production. Its organisms are intestinal pathogens of man and other primates and cause bacillary dysentery (DYSENTERY, BACILLARY). |
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| D014871 |
Water Microbiology |
The presence of bacteria, viruses, and fungi in water. This term is not restricted to pathogenic organisms. |
Microbiology, Water |
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| D014881 |
Water Supply |
Means or process of supplying water (as for a community) usually including reservoirs, tunnels, and pipelines and often the watershed from which the water is ultimately drawn. (Webster, 3d ed) |
Supplies, Water,Supply, Water,Water Supplies |
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| D045483 |
Rivers |
Large natural streams of FRESH WATER formed by converging tributaries and which empty into a body of water (lake or ocean). |
Streams,River,Stream |
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