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单词 articulata
释义

Articulatan.

Brit. /ɑːˌtɪkjᵿˈlɑːtə/, /ɑːˌtɪkjᵿˈleɪtə/, U.S. /ɑrˌtɪkjəˈleɪdə/
Origin: A borrowing from Latin. Etymon: Latin Articulata.
Etymology: < scientific Latin Articulata (originally in full Animalia articulata , translating French animaux articulés , in Cuvier Règne animal (1817) I. 60), neuter plural of classical Latin articulātus articulate adj.The scientific Latin name Articulata was subsequently used for other taxonomic groups characterized by jointed or articulated structures: (a) a suborder of cyclostomate bryozoans (Busk 1859); (b) a class of brachiopods (Huxley 1869; compare articulate adj. 8b); (c) a subclass of crinoids (von Zittel 1879).
Zoology.
With plural agreement. A major group of animals comprising invertebrates with bilateral symmetry and an external skeleton, having the body and limbs composed of segments jointed together, comprising principally annelids (segmented worms) and arthropods; (also articulata) animals of this group collectively.The Articulata (or Animalia articulata) formed one of the four divisions or embranchements of the animal kingdom in Cuvier's system. As later zoologists emphasized the distinctness of annelids and arthropods, the term became largely disused by the early 20th cent., but was revived in some later systems for a hypothetical superphylum encompassing these two groups.
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the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > subkingdom Articulata > [noun]
Articulata1817
1817 Ann. Philos. 10 128 Type 3. Articulata.—Nervous system composed of two longitudinal knotted cords placed in the belly.
1834 Penny Cycl. II. 417 Articulata, or Articulated Animals, are so called because the different portions of their body are composed of moveable pieces articulated to each other.
1855 H. Spencer Princ. Psychol. iii. xi. 454 The crabs..stand at the head of the sub-kingdom Articulata.
1863 Anthropol. Rev. 1 368 Passing through the radiata, the mollusca, and the articulata, we reach the vertebrata.
1898 Times 25 Aug. 5/1 He regards the annelida as indistinguishable from the arthropods, and groups them together as the phylum Articulata.
1913 Amer. Naturalist 47 706 The invariable presence of segments in the Articulata, of tracheæ in insects, of the backbone in vertebrates,..is explained as due to their supreme importance for survival.
1958 Q. Rev. Biol. 33 35/1 The main direction of this line runs to the Mollusca and Articulata, perhaps by way of the Sipunculoidea.
1995 C. Nielsen Animal Evol. xiv. 109 I have chosen to use the term Articulata in a wide sense, namely for the molluscs plus the euarticulates.
2003 Zoology 106 319/1 None of the analyses recognizes monophyly of Articulata or Ecdysozoa.
This entry has been updated (OED Third Edition, December 2008; most recently modified version published online December 2021).
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n.1817
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