rhabditoidadj.n.
/ˈrabdᵻtɔɪd/, U.S. /ˈræbdəˌtɔɪd/ Zoology.
A. adj.
1. Resembling that of a rhabditid nematode, esp. as regards the shape of the oesophagus; rhabditiform.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Nemathelminthes > [adjective] > relating to class Nematoda > belonging to superfamily Rhabditoidea > characteristic of or of the form of Rhabditis
rhabditic1866
rhabditiform1866
rhabditoid1876
rhabdiform1886
1876 A. Macalister Introd. Animal Morphol. & Systematic Zool.: Invertebrata xxvi. 183 The young..assume a Rhabditis form, with short, pointed tails; these become free, diœcious, in mud or water, and produce eggs, which emit Rhabditoid embryos.
1919 C. Wellman in F. Billings & E. Irons Forchheimer's Therapeusis Internal Dis. IV. v. v. 813 The esophagus is short with a double rhabditoid dilatation.
1924 Jrnl. Parasitol. 11 105 New genus having in general the characters of Diplogaster,..and having males supplied with a well developed rhabditoid bursa.
2002 Jrnl. Parasitology 88 899/1 L2 had a rhabditoid esophagus.
2. Belonging to a group of nematodes typified by the genus Rhabditis; spec. belonging to a superfamily Rhabditoidea of rhabditid nematodes (which includes Caenorhabditis elegans, widely used experimentally). Cf. rhabditid adj.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Nemathelminthes > [adjective] > relating to class Nematoda > belonging to superfamily Rhabditoidea
rhabditoid1961
1920 Jrnl. Parasitol. 6 148 (title) On a new species of rhabditoid worms found in the human intestines.
1961 E. R. Noble & G. A. Noble Parasitology xv. 719 Members of all four rhabditoid families occur in intimate relationship with soil-dwelling insects.
1993 S. J. Ettinger Pocket Compan. Textbk. Vet. Internal Med. lxxxvi. 464 Strongyloides stercoralis is a tiny..rhabditoid nematode that burrows in the mucosa of the proximal small bowel.
1995 C. Nielsen Animal Evol. xxxv. 279 The two last-mentioned species belong to two rhabditoid families.
B. n.
A rhabditoid nematode.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Nemathelminthes > [noun] > class Nematoda > member of
roundworm1837
nematode1856
nematoid1865
bloodworm1872
heartworm1877
rhabdonema1886
palisade worm1888
kidney worm1893
tunnel-worm1895
nema1917
rhabditoid1937
1937 B. G. Chitwood & M. B. Chitwood Introd. Nematology ii. ii. 13/1 The second suborder of the Rhabditida is most outstanding in that the larvae pass through a stage which is similar in the character of the stoma and esophagus to the adults of rhabditoids.
1973 T. C. Cheng Gen. Parasitol. xvii. 593/1 In rhabditoids..the buccal capsule is divided into three sections.
2004 G. L. Barron in G. M. Mueller et al. Biodiversity Fungi xix. 446/1 If left on water agar, most nematode species die quickly, but some rhabditoids adapt and multiply.
This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).
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adj.n.1876