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单词 rhabditis
释义

rhabditisn.

Brit. /rabˈdʌɪtᵻs/, U.S. /ræbˈdaɪdᵻs/
Inflections: Plural (now rare) rhabdites.
Origin: A borrowing from Latin. Etymon: Latin Rhabditis.
Etymology: < scientific Latin Rhabditis, genus name ( F. Dujardin Hist. nat. des helminthes (1845) 239) < ancient Greek ῥάβδος rod (see rhabdo- comb. form) + scientific Latin -itis (see -itis suffix).
Zoology.
A nematode worm of the genus Rhabditis (order Rhabditida), found in soil, water, and decaying organic matter, and in the larval stage possibly a facultative parasite of mammals. Also (in form Rhabditis): the genus itself.Some members of this genus are now frequently placed in the genus Pelodera.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Nemathelminthes > [noun] > class Nematoda > member of genus Rhabditis
rhabditis1846
rhabditis-form1866
rhabditid1933
1846 Med. Times 13 109/2 When the decay is in its last period, acari, and insects of the order rhabditis, are found in the superficial ulcers of the tuber.
1866 Philos. Trans. (Royal Soc.) 156 551 Structures of a similar nature may be seen amongst the free Nematoids in the genus Rhabditis.
1876 P. J. Van Beneden Animal Parasites & Messmates ix. 240 A round worm found in the intestines of the dog, the Strongylus trigonocephalus, lives at first in damp earth or mud like the rhabdites in general.
1913 T. H. Morgan Heredity & Sex 224 In the group of nematode worms belonging especially to the genus Rhabditis, there are some extraordinary perversions of the sex ratios.
1924 Biol. Bull. 46 96 None of the Rhabdites revived after placing them 30 minutes in the solution of ether.
2002 Jrnl. Appl. Ecol. 39 739/2 Rhabditis and Acrobeloides were the dominant bacterial feeders.

Compounds

rhabditis-form n. now rare a free-living sexual stage in the life cycle of certain nematode worms, resembling a rhabditis esp. in having a rhabditiform oesophagus.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Nemathelminthes > [noun] > class Nematoda > member of genus Rhabditis
rhabditis1846
rhabditis-form1866
rhabditid1933
1866 Q. Jrnl. Microsc. Sci. 6 102 With respect to the sexually mature Rhabditis-form, he observes that the pharyngeal walls are by no means muscular throughout their whole extent.
1921 T. J. Parker & W. A. Haswell Text-bk. Zool. I. 304 The eggs..develop in water into a sexual nematode, called the Rhabditis-form, in which the sexes are separate.

Derivatives

rhabˈditis-like adj. resembling a rhabditis; having a rhabditiform oesophagus.
ΚΠ
1866 Q. Jrnl. Microsc. Sci. 6 31 Professor Leuckart..watched the growth in the free state of the Rhabditis-like larvæ of Dochmius trigonocephalus.
1920 H. B. Fantham et al. Animal Parasites of Man 378 It must have belonged to the rhabditis-like larva of a nematode, the adult stage of which is unknown.
1996 Japanese Jrnl. Parasitol. 45 416 Agar-plate incubation method detected Rhabditis-like nematodes in the patient's faeces.
This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).
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