单词 | thorax |
释义 | thoraxn. 1. Anatomy and Zoology. That part of the body of a mammal between the neck and the abdomen, comprising the cavity enclosed by the ribs, breastbone, and dorsal vertebræ, and containing the chief organs of circulation and respiration; the chest; also the corresponding part in the lower vertebrates, as birds, serpents, and fishes. ΘΚΠ the world > life > the body > internal organs > cavities occupied by internal organs > [noun] > chest wombOE thoraxc1400 chest1530 middle piece1817 ribcage1883 the world > life > the body > external parts of body > trunk > front > [noun] > chest heartOE breastOE maw?a1200 thoraxc1400 venter1668 pectus1684 breastie1786 c1400 Lanfranc's Cirurg. 161 Thorax is maad of .vij. boonys & euery boon at þe eende is cartilaginosum. 1577 Vicary's Profitable Treat. Anat. sig. H.iiiv The Brest or Thorax is the Arke or Chest of the spiritual members of man. 1653 H. More Antidote against Atheisme ii. xii. §5 Enlarging the Thorax, that the Lungs may have play. 1692 J. Locke Some Thoughts conc. Educ. (1693) 12 The Thorax, wherein is placed the Heart and Seat of Life. 1705 F. Fuller Medicina Gymnastica 8 Laughter..proves so beneficial, by the playing of the Muscles of the Thorax. 1855 L. Holden Human Osteol. 167 The Thorax is the frame-work which contains the heart and lungs. 2. Zoology. The middle region of the body of an arthropod, between the head and the abdomen.In insects, the thorax consists of three somites, the prothorax, mesothorax, and metathorax, and bears the legs, and wings if any exist. In arachnids and some crustaceans, the thorax is joined to the head, forming the cephalothorax n. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > [noun] > member of > parts of > middle region or thorax thorax1753 1753 Philos. Trans. 1751–2 (Royal Soc.) 47 40 The thorax drops its breast-plate, and then the legs quit their crustaceous coverings. 1842 W. T. Brande Dict. Sci., Lit. & Art 1233/2 Thorax, the second segment of insects is so called by Latreille and Andouin; the term is restricted to the upper surface of the trunk by Linné and Fabricius. 1868 P. M. Duncan tr. L. Figuier Insect World Introd. 7 The thorax, the second primary division of the body of insects, plays almost as important a part as the head. 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 491 A head region..either remains distinct..or becomes continuous with a part or whole of the thorax, forming a cephalo-thorax... A thorax is not marked off in the Myriapoda. 3. Ancient Greek History. A cuirass, corselet: see quots. ΘΚΠ society > armed hostility > military equipment > armour > body armour > [noun] > leather corselet or cuirass cuirass1464 quirréa1500 lorica1706 corium1834 thorax1842 loric1855 1842 W. T. Brande Dict. Sci., Lit. & Art 1233/2 Thorax, in Grecian Antiquities, a piece of defensive armour consisting of two parts, one defending the back, and the other the belly; called lorica by the Romans. 1845 C. H. Smith in Kitto's Cycl. Biblical Lit. I. (at cited word) Arms, In Egypt..a more ancient national form [of cuirass] was a kind of thorax, tippet,..shereyon, or square, with an opening for the head in it, the four points covering the breast, back, and both upper arms. 1857 S. Birch Hist. Anc. Pottery (1858) I. 410 They wear Corinthian helmets, often crested; thoraces, or breast-plates, under which is a tunic, and greaves. Derivatives thoraxed adj. ΘΚΠ the world > animals > animal body > markings or colourings > [adjective] > having thorax marked or coloured thoracicc1812 thoraxed1907 1907 Nation 24 Aug. 923/1 The yellow-thoraxed species [of insects]. This entry has not yet been fully updated (first published 1912; most recently modified version published online March 2022). < |
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