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单词 monotrichous
释义

monotrichousadj.

Brit. /məˈnɒtrᵻkəs/, U.S. /məˈnɑtrəkəs/
Origin: Formed within English, by compounding. Etymons: mono- comb. form, -trichous comb. form.
Etymology: < mono- comb. form + -trichous comb. form. Compare earlier polytrichous adj. at poly- comb. form 1.Compare post-classical Latin monotricha:1900 A. C. Jones tr. A. Fischer Struct. & Functions Bacteria ii. 15 According to the arrangement of the cilia upon the cell the bacteria may be divided into three groups—monotricha, lophotricha, and peritricha.
Bacteriology.
Of a bacterial cell: having a single polar flagellum.
ΚΠ
1900 A. C. Jones tr. A. Fischer Struct. & Functions Bacteria ii. 16 In the flagellate infusoria the end of the cell bearing the flagellum is always in advance in swimming, and probably the..monotrichous bacteria move in the same way.
1925 Soil Sci. 20 100 The data that have been reported seem to justify the later conclusion of Hansen, that the legume bacteria are of two types, viz: peritrichous and monotrichous.
1976 Ann. Rev. Microbiol. 30 318 The demonstration of small, highly motile, generally monotrichous vibrioid cells which developed into nonmotile helical forms, later segmenting into a number of flagellated daughter cells, would probably be strong evidence.
1988 Q. N. Myrvik & R. S. Weiser Fund. Med. Bacteriol. & Mycol. (ed. 2) ii. 37 Polar flagella exist either as a tuft of flagella (lophotrichous) or as a single flagellum (monotrichous).
This is a new entry (OED Third Edition, December 2002; most recently modified version published online March 2022).
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adj.1900
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