| 释义 |
legionella Bacteriol.|liːdʒəˈnɛlə|
Pl. -ellæ.
[mod.L., f. legion + L. -ella -el2.]
Any bacterium of the genus Legionella, that includes the cause of legionnaires' disease and comprises aerobic Gram-negative rods mostly pathogenic for man.
1979Lancet 3 Feb. 270/2 We have succeeded in staining legionellæ in these materials using only the first dye in Gram's procedure. 1981Brit. Med. Jrnl. 16 May 1585/1 (heading) Postoperative legionella pneumonia diagnosed by percutaneous lung aspiration. 1983Oxf. Textbk. Med. I. v. 331/2 More recently other legionella species besides L. pneumophila have been associated with sporadic respiratory infections in man. 1985Times 8 May 2/5 The treatment they were carrying out was not aimed at the legionella bacteria. 1985New Scientist 19–26 Dec. 28/1 Amoebae live by ingesting and digesting bacteria, but legionellae turn the tables on their predators by breaking down the amoeba's destructive enzymes into amino acids, upon which the bacteria feed.
Hence ˌlegioneˈllosis, infection with or a disease caused by legionellæ.
1979Lancet 7 Apr. 786/1 The ætiological agent of legionellosis..has been tentatively named Legionella pneumophila. 1984Holt & Krieg Bergey's Man. Systematic Bacteriol. (ed. 9) I. 281/1 The two main types of legionellosis caused by L. pneumophila are Legionnaires' disease (LD) and Pontiac fever (PF). |