Definición de bacterium en inglés:
sustantivo (plural bacteria /-rɪə/)
- A urine test can also be used to confirm that the bacteria are the Legionella bacteria.
- The pneumococcal bacterium is the second most common cause of bacterial meningitis.
- Typhoid fever is a serious infection caused by the bacterium Salmonella typhi.
Bacteria are widely distributed in soil, water, and air, and on or in the tissues of plants and animals. Formerly included in the plant kingdom, they are now classified separately (as prokaryotes). They play a vital role in global ecology, as the chemical changes they bring about include those of organic decay and nitrogen fixation. Much modern biochemical knowledge has been gained from the study of bacteria, as they grow easily and reproduce rapidly in laboratory cultures
This modern Latin term is formed from Greek baktērion ‘little staff’; the first bacteria to be discovered were rod-shaped. The word bacillus (late 19th century), a pathogenic bacterium, also meant ‘little rod’ in late Latin. Bacillus is also behind the French word debacle, adopted into English in the early 19th century. It literally means an unbarring and was first used of the breaking of ice or other blockage in a river and its effects, and then transferred to human behaviour.
Bacteria is the plural form (derived from Latin) of bacterium. Like any other plural it should be used with the plural form of the verb: the bacteria causing salmonella are killed by thorough cooking, not the bacteria causing salmonella is killed by thorough cooking. However, the unfamiliarity of the form means that bacteria is sometimes mistakenly treated as a singular form, as in the example above.
- Oraciones de ejemplo
- Nevertheless, some viable bacterial cells and bacterial and fungal spores are present.
- Vaccines are made from killed bacteria, detoxified bacterial toxins, or modified viruses.
- Some illnesses, such as ear infections and diarrhoea, may be either bacterial or viral.
- Oraciones de ejemplo
- A particularly impressive bacterially controlled mineral is produced by magnetotactic bacteria, which can detect magnetic fields.
- During burial much of the organic carbon is further degraded bacterially, leaving the burial flux.
- In clean procedures, no bacterially colonized area of the body is opened, so it generally is believed that postoperative wound infection occurs because of problems in the surgical environmental or the surgeon's inexperience.
Definición de bacterium en:
- Diccionario Inglés de EE.UU.
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