| 释义 |
lopho-|ˈləʊfə, ləʊˈfɒ|
before a vowel loph-, comb. f. of Gr. λόϕος crest, in many scientific words, as lophoˈcercal a. [Gr. κέρκος tail] (see quot.). lophoˈcercy, the lophocercal stage of development of the fin-system of Ichthyopsida. lophoderm |ˈləʊfədɜːm| [Gr. δέρµα skin], a crested or spiny back. lophodont |ˈləʊfədɒnt| a. and n. [Gr. ὀδοντ-, ὀδούς tooth], (a) adj., characterized by having transverse or longitudinal ridges on the crowns of the molar teeth; (b) n., an animal with this kind of dentition. ‖ lophopoda |-ˈɒpədə| [Gr. ποδ-, πούς foot], n. pl., the fresh-water Polyzoa, which have a horseshoe-shaped lophophore. lophosteon |-ˈɒstɪɒn| [Gr. ὀστέον bone], the median bone, including the keel, of the sternum of a carinate bird.
1885J. A. Ryder in Amer. Nat. XIX. 92 *Lophocercy.—The second stage of development of the median fin-system of Ichthyopsida is what I have called *lophocercal..when it consists of continuous folds..or exceptionally of discontinuous folds..which do not include permanent rays. Ibid. 97 Lophocercal larva of the codfish.
1836Blackw. Mag. XXXIX. 306 The thorny *lophoderme of a centronote or stickleback. 1854Badham Halieut. 117 His [the perch's] prickly lophoderme is indeed a formidable affair.
1887E. D. Cope Orig. Fittest vii. 246 The subordinate types of *Lophodonts. Ibid. 247 Four types of Lophodont dentition.
1880Pascoe Zool. Classif. (ed. 2) 68 *Lophopoda. 1889Sedgwick tr. Claus' Zool. ii. (ed. 2) 78 The Lophopoda are mainly distinguished by the bilateral arrangement of the numerous tentacles on the two-armed lophophore.
1884Coues Key N. Amer. Birds 143 The median ossification, which includes the keel, is the *lophosteon.
Add: loˈphotrichous a. [tricho-1], designating or characteristic of a bacterium in which several flagella occur as a crest or bundle at one end of the cell.
1900A. C. Jones tr. Fischer's Struct. & Functions Bacteria ii. 15 The lophotrichous bacteria have in place of the single flagellum a brush or tuft of cilia. 1973R. G. Krueger et al. Introd. Microbiol. iii. 33/1 Three general patterns occur: polar (one polar flagellum), lophotrichous (several polar flagella), and peritrichous (lateral flagella) distribution. 1988Myrvik & Weiser Fund. Med. Bacteriol. & Mycol. (ed. 2) ii. 37 Polar flagella exist either as a tuft of flagella (lophotrichous) or a single flagellum (monotrichous). |
