单词 | nematomorph |
释义 | nematomorphn.adj. Zoology. A. n. A member of the phylum Nematomorpha, comprising unsegmented, pseudocoelomate worms whose free-living adult forms develop from larvae that are endoparasites of arthropod hosts. Also called hairworm, horsehair worm. ΚΠ 1951 L. H. Hyman Invertebrates III. xiii. 456 The cuticle clothing the body is rather thick in most nematomorphs. 1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xiv. 72/1 In the arthropod host the nematomorph gradually increases in size. 1995 C. Nielsen Animal Evol. ix. 63 Some parasitic groups, such as the nematomorphs, have non-functioning rudiments of a gut. 2000 C. Tudge Variety of Life ii. v. 201 The nematomorphs are commonly shown as the sister group of the nematodes, although it is not clear that this is justified. B. adj. Of or relating to nematomorphs; belonging to the phylum Nematomorpha. ΚΠ 1951 L. H. Hyman Invertebrates III. xiii. 456 It is now certain that only one host is involved in the parasitic phase of the nematomorph life cycle. 1984 Folia Parasitol. 31 111 (title) Some observations on the egg string of a nematomorph worm. 1994 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (ed. 6) viii. 305/1 The nematomorph body wall consists of a thick, outer, white-to-black iridescent cuticle composed of collagen fibers in crossed helical layers. This is a new entry (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.adj.1951 |
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