| 释义 |
fibrous, a.|ˈfaɪbrəs|
[ad. mod.L. fibrōsus: see fibre and -ous. Cf. fibrose and Fr. fibreux.]
1. Full of fibres; formed of fibres:
a. in animals. fibrous tissue: the ordinary connective tissue in the body. fibrous tumour = fibroid.
1657S. Purchas Pol. Flying-Ins. iii. 7 Their [Bees'] back and breast is a kind of reddish fibrous flesh. 1661Lovell Hist. Anim. & Min. Introd., Their lungs are single, fibrous..and fungous. 1800tr. Lagrange's Chem. II. 350 Blood..separates into two portions, the coagulum or fibrous part, and the serum. 1872Huxley Phys. ii. 23 Outside the muscular coat is a sheath of fibrous or connective tissue. 1885Creighton in Encycl. Brit. (ed. 9) XVIII. 369/1 The fibrous tumors may become cystic in their interior.
b. in plants.
1626Bacon Sylva §616 There are of Roots, Bulbous Roots, Fibrous Roots, and Hursute Roots. 1677Plot Oxfordsh. 144 Which large Violet from a fibrous root sendeth forth many leaves. 1713C'tess of Winchilsea Misc. Poems 232 Branches..Of fibrous cordage and impending shrouds. 1846J. Baxter Libr. Pract. Agric. (ed. 4) I. 279 From its fibrous bark we procure the comfort of linen. 1870Hooker Stud. Flora 300 Cyclamen hederæfolium..tuber fibrous all over.
c. in minerals and metals.
1794Sullivan View Nat. I. 452 Fibrous asbestos, alumen plumosum, is mild magnesia, combined with silex, calcareous earth, and a small proportion of argill, and iron. 1805–16R. Jameson Char. Min. 232 In the fibrous fracture we have to attend to the thickness..and the position of the fibres. 1813Bakewell Introd. Geol. (1815) 217 Thin strata of beautiful white fibrous gypsum occur in marle. 1858Greener Gunnery 88 The metal has been changed from the molecular to the fibrous.
d. of protein: having an elongated molecular structure showing little folding.
1931Nature 2 May 663/2 X-ray photographs of fibrous proteins. 1954J. C. Kendrew in Neurath & Bailey Proteins IIb. xxiii. 846 Structure protein is often macroscopically fibrous; hence the term ‘fibrous protein’ is more or less synonymous with structure protein... It has, in fact, become conventional to divide the whole range of proteins into two main classes: the fibrous and the globular. 1968A. C. T. North in W. G. Crewther Symposium on Fibrous Proteins 13 In comparing the relationships between primary sequence and secondary structure found in fibrous and globular proteins, account must be taken of the repetitive nature of fibrous protein sequences.
2. Resembling fibre or fibres; fibre-like.
1707Curios. in Husb. & Gard. 81 There are fibrous Tubes in Trees, for the Sap to mount. 1813Shelley Q. Mab i. 94 Yon fibrous cloud..Were scarce so thin, so slight.
3. Comb., as fibrous-rooted adj.
1796C. Marshall Garden. xx. (1813) 399 Divide fibrous rooted perennial flowers. 1845Lindley Sch. Bot. viii. (1858) 134 Generally bulbous, sometimes fibrous-rooted.
Hence ˈfibrously adv., in a fibrous manner; like fibres; and ˈfibrousness, the state or quality of being fibrous.
1727Bailey vol. II, Fibrousness, fulness of fibres. 1827Westm. Rev. IX. 174 Fibrousness is its essential character. 1833J. Holland Manuf. Metal II. 342 The fibrousness produced by this operation is again removed. 1854Jones & Siev. Pathol. Anat. ii. 33 They never show any organized arrangement beyond a low grade of fibrousness. 1881J. S. in Art Jrnl. 102/1 The two faded leaves drawn so very fibrously. 1891Harper's Mag. Jan. 210/1 Low-hanging firs..all fibrously a-glitter.
▸ fibrous dysplasia n. Med. replacement of a localized area of one or more bones by fibrous tissue, probably resulting from a developmental disorder and often as part of a syndrome, and usually associated with some degree of pain together with deformity and fragility of the affected bone or bones.
1938L. Lichtenstein in Arch. Surg. 36 540/1 This is well brought out in Mr. R. C. Elmslie's paper on fibrosis of bone and in L. Lichtenstein's excellent account of this condition (Arch. Surg. 1938, 36, 874) under the title of ‘polyostotic fibrous dysplasia’. 1977Jrnl. Oral Surg. 11 924 Fibrous dysplasia is a usually benign fibro-osseous abnormality of bone that may occur as monostotic, polyostotic, or craniofacial disease or as a part of a syndrome. 1993S. J. Ettinger Pocket Compan. Textbk. Vet. Internal Med. cxxi. 806 Polyostotic bone cysts associated with fibrous dysplasia have been reported, in which the disease is thought to be inherited. |