| 释义 |
nematode, a. and n.|ˈnɛmətəʊd|
[See nemato- and -ode1, and cf. nematoid.]
A. adj.
1. Of worms: Pertaining to the class Nematoda or Nematoidea, comprising those of a slender cylindrical or thread-like form (chiefly parasitic in animals or plants), such as the common round-worm, maw-worm, Guinea-worm, etc.
1861Hulme tr. Moquin-Tandon ii. vii. i. 339 The embryos of the nematode worms may pass the winter in a sort of torpid state. 1876Beneden's Anim. Parasites Introd. 26 The greater part..have not lived long in captivity, before nematode and cestode worms completely disappear.
2. [Partly attrib. uses of the n.] Of or pertaining to, resembling or characteristic of, worms of this class.
1866Standard 19 Feb., We now proceed to look our foe in the face—if, indeed, the nematode nuisance possesses any face. 1889Geddes & Thomson Evol. Sex 17 They become parasitic, and lose both activity and nematode form. 1897Allbutt's Syst. Med. II. 1032 An embryo of the usual nematode character.
B. n. A nematode worm.
1865T. S. Cobbold in Pop. Sci. Rev. IV. 163 In various plants I have..noticed free nematodes within their parenchyma. 1876Beneden's Anim. Parasites 155 A nematode which I observed under very singular circumstances. 1888Rolleston & Jackson Anim. Life 684 Three stages..have been distinguished in the growth of a Nematode after hatching.
Comb.1898Sedgwick Text-bk. Zool. I. vii. 291 A..vermiform body carrying a small Nematode-like worm. |