单词 | vascular |
释义 | vascularadj. 1. Botany. a. Of fibres, tissue, etc.: Having the form of tubular vessels; consisting of continuous tubes of simple membrane. ΘΚΠ the world > plants > part of plant > cell or aggregate tissue > [adjective] > of parts vascular1682 1682 N. Grew Anat. Plants ii. i. iii. 69 The Vascular Rays are not equally extended in all Roots. 1756 C. Lucas Ess. Waters i. 156 The solids are all vascular, and consist of elastic fibres. 1791 W. Hamilton tr. C.-L. Berthollet Elements Art of Dyeing I. i. i. iii. 52 The vascular fibres of the bark. 1837 P. Keith Bot. Lexicon 68 The membranous tissue of the plant, whether cellular or vascular, is uniformly colourless. 1847 H. Miller Test. Rocks (1857) 31 Its mass of soft cellular tissue is strengthened all round by internal buttresses of dense vascular fibre. 1875 J. W. Dawson Life's Dawn on Earth ii. 32 Plants existed at that time having true woody or vascular tissues. b. Of structure: Characterized by the prevalence of tubular vessels. ΘΚΠ the world > life > the body > vascular system > [adjective] > vessel deferent1626 adductory1695 vascular1728 vasculous1728 vasculated1745 extravascular1804 emissary1828 vasiform1835 efferential1836 intervascular1849 efferent1856 perivascular1868 intravascular1876 vasoformative1876 deferential1877 vasifactive1882 intratubal1887 neurovascular1888 vasal1891 the world > plants > part of plant > cell or aggregate tissue > [adjective] > of structure vesiculara1682 vascular1728 1728 E. Chambers Cycl. at Vegetable The vascular Structure of Vegetables, is render'd very apparent, by an Experiment of Mr. Willoughby. 1807 J. E. Smith Introd. Physiol. & Systematical Bot. 13 From preceding writers we had learned the general tubular or vascular structure of the vegetable body. 1842 J. C. Loudon Suburban Horticulturist 9 Endogens are flowering plants with a vascular structure. c. vascular system n. the aggregate of tubular vessels in a plant. ΘΚΠ the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > vessel(s) > vascular system network1658 vascular system1813 1813 H. Davy Elements Agric. Chem. iii. 53 The alburnum is the great vascular system of the vegetable through which the sap rises. 1832 J. Lindley Introd. Bot. 59 In both cases there is a cellular and vascular system distinct from each other. 1866 J. Lindley & T. Moore Treasury Bot. II. 1205/1 Vascular system, all that part of the interior structure of a plant into whose composition spiral vessels or their modifications enter. d. Of plants: Having a vascular structure. ΘΚΠ the world > plants > part of plant > cell or aggregate tissue > [adjective] vesicular1705 cellular1716 vascular1830 vasiform1835 vasculose1866 non-vascular1880 vesselled1895 1830 J. Lindley Introd. Nat. Syst. Bot. Introd. p. xiv All plants that bear flowers have spiral vessels, and are therefore Vascular. 1849 R. I. Murchison Siluria xii. 287 The great mass of the plants belong to the vascular cryptogamic class. 1861 R. Bentley Man. Bot. i. ii. 67 The lowest orders of Vascular Plants, like the true Mosses, are comparatively insignificant in appearance. e. vascular wilt (disease): wilt disease involving the vascular system of a plant; spec. = Panama disease n. at Panama n. Compounds. ΘΚΠ the world > plants > disease or injury > [noun] > type of disease > fungal > various diseases footrot1706 botrytis1751 leaf spot1846 winter rot1857 leaf blotch1860 downy mildew1886 sun scald1896 Septoria1897 spike-disease1906 fusarium rot1907 hadromycosis1916 verticillium wilt1916 wilt1916 die-off1918 rhynchosporium1918 shoestring rot1931 vascular wilt (disease)1946 1946 Nature 16 Nov. 712 The presence of a vascular wilt disease of the oil palm. 1951 New Biol. 11 76 Vascular Wilt Disease..of bananas in the Old World made its appearance in Central America towards the end of the nineteenth century. 1972 J. W. Purseglove Trop. Crops: Monocotyledons II. 368 Panama disease, also known as banana wilt and vascular wilt,..is one of the world's most catastrophic plant diseases. 2. Anatomy or Physiology. a. Having the character or properties of a conveying vessel or vessels. ΚΠ 1728 E. Chambers Cycl. (at cited word) All the Flesh in an animal Body is found to be Vascular, none of it Parenchymous. 1756 C. Lucas Ess. Waters i. 2 The several parts of its body being, at some time of its existence, vascular. 1802 W. Paley Nat. Theol. xi. 209 The spleen must be vascular, and admit of a circulation through it, in order to be kept alive, or be a part of a living body. 1835–6 Todd's Cycl. Anat. & Physiol. I. 126/1 The vascular is another tissue extensively distributed among animals. 1880 L. S. Beale Slight Ailm. 85 If we could see the mucous membrane in..cases of indigestion we should no doubt find it unduly vascular. b. vascular system n. (see quot. 1876). ΘΚΠ the world > life > the body > vascular system > [noun] vascular system1725 circulating system1801 vasculature1934 1725 N. Robinson New Theory of Physick 255 The Air..obliges the whole vascular system of the Solids to redouble their Contractions. 1800 Med. & Physical Jrnl. 4 215 To restore the energy and lost tone of the vascular system. 1876 J. S. Bristowe Treat. Theory & Pract. Med. ii. iv. 482 The vascular system comprises the heart, arteries, veins, and capillaries; the lymphatic glands and vessels, together with certain ductless glands; and the blood with its tributary fluids. c. Affecting the vascular system or tissue. ΘΚΠ the world > life > the body > vascular system > [adjective] > affecting vascular system spirital1568 vascular1870 1870 H. Spencer Princ. Psychol. (ed. 2) I. ii. v. 236 The vascular excitement caused by emotion. 1881 Med. Temp. Jrnl. 48 206 The first stage of alcoholic action is vascular excitement rapidly followed by exhaustion. Draft additions June 2013 vascular dementia n. Medicine dementia resulting from disease, esp. atherosclerosis, of cerebral blood vessels, most commonly associated with multiple small areas of infarction in the cerebral cortex. ΚΠ 1964 Excerpta Medica Neurol. & Psychiatry 17 205 These are classified into: (a) atrophic-degenerative dementias:..Alzheimer's disease, Pick's disease, and (b) vascular dementia. 1985 R. Katzman in V. L. Melnick & N. N. Dubler Alzheimer's Dementia i. 2 Just over 50% of cases of..[senile dementia] are caused by Alzheimer's disease alone, 20% by vascular diseases.., and 10 to 15% by a mixture of Alzheimer's disease and vascular dementia. 2012 Guardian (Nexis) 28 Jan. (Family section) 5 Lionel died two years ago at the age of 83 after suffering from vascular dementia for 12 years. This entry has not yet been fully updated (first published 1916; most recently modified version published online June 2022). < adj.1682 |
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