| 单词 |
Arthropoda |
| 释义 |
‖ Arthropoda, n. pl. Zool.|ɑːˈθrɒpədə|
Also sing. arthropod.
[mod.L., f. Gr. ἄρθρον joint + πούς (ποδ-) foot. The singular, Eng. in form, is arthropod (ˈɑːθrəpɒd); also pl. -pods.]
Animals with jointed feet; a name for the more highly organized Annulosa or Articulata, comprising Insects, Spiders, Crustacea, and Myriapoda, having segmented bodies to which hollow jointed appendages (antennæ, wings, legs) are articulated in pairs. arthropod-borne a., of a pathogenic organism carried by an arthropod.Cf. arborvirus.Hence arˈthropodal a., of or belonging to the Arthropoda. arˈthropodous a. = prec.
1870Rolleston Anim. Life Introd. 105 Accordingly, as the respiration is aquatic or aerial, the Arthropoda are divisible into two great groups. Ibid. 107 The Crustacea, the earliest representatives of the Arthropodal type. 1877Huxley Anat. Inv. An. vii. 390 In these Arthropods, the body is divided into many segments, the most anterior of which takes on the characters of a distinct head. Ibid. xii. 679 Its nervous system is..Arthropodal. 1882G. Allen Col. Flowers ii. 24 Bees and butterflies, the aristocrats of the arthropodous world. 1922Encycl. Brit. XXXI. 896/1 Such arthropoda..being specific ‘nurses’ or intermediary hosts of the parasite actually causing the disease, are known as ‘carriers’ or ‘vectors’. 1924Glasgow Herald 27 Sept. 4/2 A crowd of joint-footed Arthropod animals..that grip firmly with their claws. 1956Nature 25 Feb. 367/2 A comprehensive..study of acute febrile illnesses..was undertaken to..determine the part that arthropod-borne viruses might play in their causation. 1962Lancet 29 Dec. 1363/2 One suggestion is that this may be a virus tumour dependent on some arthropod vector. 1968Times 14 Nov. 8/8 Insects belong to the large group of animals known as arthropods. |
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单词 retrotransposon 释义 retrotransposon, n. Genetics.|rtrtrnspzn, -trns-|[f. retrovirus ......