释义 |
trematode, a. and n. Zool.|ˈtrɛmətəʊd| [ad. mod.L. Trēmatōda neut. pl., a. Gr. τρηµατώδης having holes, perforated, f. τρῆµα hole, orifice.] A. adj. Belonging to the class or order Trematoda or Trematoidea of parasitic worms, found in the bodies of various animals, having a flattish or cylindrical form, with skin often perforated by pores, and usually furnished with adhesive suckers; the flukes (fluke n.1 2) are typical examples. In Cuvier's classification the Trematoda constituted the second family of parenchymatous entozoa, containing besides the flukes some animals not now reckoned as trematodes.
1836–9Todd's Cycl. Anat. II. 121/1 The Trematode Order..includes only two species infesting the human body. 1864Reader 3 Dec. 712/1 He had discovered upon the angel-fish (Squatina angelus) a trematode worm of very singular organization, which will constitute a new genus. 1867J. Hogg Microsc. ii. iii. 567 One of the most remarkable of the Trematode helminths is Bilharzia haematobia of Cobbold. 1876Beneden's Anim. Parasites Introd., Cestode and trematode worms. B. n. A trematode worm.
1859[see Bilharzia, bilharzia]. 1876tr. Wagner's Gen. Pathol. 120 Trematodes are parasitic solitary flat-worms with inarticulate leaf-shaped bodies. 1877[see Bilharzia, bilharzia]. 1904Brit. Med. Jrnl. 17 Sept. 663 Sections of a minute adult trematode. 1905Q. Rev. Apr. 488 The pearls in our fresh water mussel were formed by the larvae of a fluke (a trematode). 1962J. D. Smyth Introd. Animal Parasitol. xiii. 138 The great majority of digenetic trematodes are inhabitants of the vertebrate alimentary canal or its associated organs. So ˈtrematoid a. and n.
1882Ogilvie (Annandale), Trematode, Trematoid, a. 1891Cent. Dict., Trematoid, a. and n. |