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Vascular   Listen
adjective
Vascular  adj.  
1.
(Biol.)
(a)
Consisting of, or containing, vessels as an essential part of a structure; full of vessels; specifically (Bot.), pertaining to, or containing, special ducts, or tubes, for the circulation of sap.
(b)
Operating by means of, or made up of an arrangement of, vessels; as, the vascular system in animals, including the arteries, veins, capillaries, lacteals, etc.
(c)
Of or pertaining to the vessels of animal and vegetable bodies; as, the vascular functions.
2.
(Bot.) Of or pertaining to the higher division of plants, that is, the phaenogamous plants, all of which are vascular, in distinction from the cryptogams, which to a large extent are cellular only.
Vascular plants (Bot.), plants composed in part of vascular tissue, as all flowering plants and the higher cryptogamous plants, or those of the class Pteridophyta. Cf. Cellular plants, under Cellular.
Vascular system (Bot.), the body of associated ducts and woody fiber; the fibrovascular part of plants.
Vascular tissue (Bot.), vegetable tissue composed partly of ducts, or sap tubes.
Water vascular system (Zool.), a system of vessels in annelids, nemerteans, and many other invertebrates, containing a circulating fluid analogous to blood, but not of the same composition. In annelids the fluid which they contain is usually red, but in some it is green, in others yellow, or whitish.






Collaborative International Dictionary of English 0.48








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"Vascular" Quotes from Famous Books



... order to impart the necessary strength to this trunk, and to enable it to war for ages with the elements, its mass of soft cellular tissue is strengthened all round by internal buttresses of dense vascular fibre, tough and elastic as the strongest woods. Now, not a few of the more anomalous forms of the Coal Measures seem to be simply fern allies of the types Lycopodiaceae, Marsileaceae, and Equisetum, that, escaping from the mediocrity of mere herbs, ...
— The Testimony of the Rocks - or, Geology in Its Bearings on the Two Theologies, Natural and Revealed • Hugh Miller

... Gradual Sole Venal Two Second Treaty Federal Trifle Nugatory Tax Fiscal Time Temporal, chronical Town Oppidan Thanks Gratuitous Theft Furtive Threat Minatory Treachery Insidious Thing Real Throat Jugular, gutteral Taste Insipid Thought Pensive Thigh Femoral Tooth Dental Tear Lachrymal Vessel Vascular World Mundane Wood Sylvan, savage Way Devious, obvious, impervious, trivial Worm Vermicular Whale Cutaceous Wife Uxorious Word Verbal, verbose Weak Hebdomadal Wall Mural Will Voluntary, spontaneous Winter Brumal Wound Vulnerary West Occidental War Martial Women Feminine, ...
— Lectures on Language - As Particularly Connected with English Grammar. • William S. Balch

... occasionally as a valve, so that the part beyond may be considered as an appendage similar to that of the peccary and the hog. The membrane of the cardiac portion is uniformly smooth; that of the pyloric is thicker and more vascular."—Lectures on Comparative Anatomy, by Sir EVERARD HOME, Bart. 4to. Lond. vol. i. p. 155. The figure of the elephant's stomach is given, in his Lectures, vol. ii. ...
— Sketches of the Natural History of Ceylon • J. Emerson Tennent

... true of the scales and leaves of the bud.[1] All these points should be brought out by the actual observation of the specimens by the pupils, with only such hints from the teacher as may be needed to direct their attention aright. The dots on the leaf-scar are the ends of woody bundles (fibro-vascular bundles) which, in autumn, separated from the leaf. By counting these we can tell how many leaflets there were in the leaf, three, five, seven, nine, or occasionally six ...
— Outlines of Lessons in Botany, Part I; From Seed to Leaf • Jane H. Newell

... the following rule: "There is a trianal series of graduations in the peculiar potencies of colors, the center and climax of electrical action, which cools the nerves, being in violet; the climax of electrical action, which is soothing to the vascular system, being in blue; the climax of luminosity being in yellow; and the climax of thermism or heat being in red. This is not an imaginary division of qualities, but a real one, the flamelike red color having a principle of ...
— The Human Aura - Astral Colors and Thought Forms • Swami Panchadasi



Words linked to "Vascular" :   vascular ray, vascular bundle, vascularize, vascular spider, vascular tissue, vascular strand, vascular structure, vascularity, vascular hemophilia



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