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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



... was easy to see that on physiological grounds alone, alcohol, with its strong affinity for water and its tendency to lower temperature, could not be a useful drug in the treatment of cholera collapse, and with its powers of paralyzing vascular inhibition and checking elimination of effete matter, could not be otherwise than harmful in the stage of reaction. As these conclusions were corroborated by practical experience he did not think members would hesitate to banish it from their ...
— Alcohol: A Dangerous and Unnecessary Medicine, How and Why - What Medical Writers Say • Martha M. Allen

... of muscle tissue Myoma. 2. Type of nerve tissue Neuroma. 3. Type of vascular tissue Angioma. 4. ...
— Special Report on Diseases of Cattle • U.S. Department of Agriculture

... assure them that these figures are of supreme excellence. The hazy semitransparency of the embryonic tissues, the halos, the granules, the globules, the cell-walls, the delicate membranous expansions, the vascular webs, are expressed with purity, softness, freedom, and a conscientiousness which reminds us of Donne's microscopic daguerreotypes, while in many points the views are literally truer to nature,—just as a sculptor's bust of a living person ...
— The Atlantic Monthly, Vol. I., No. 3, January 1858 - A Magazine of Literature, Art, and Politics • Various

... hardened feces are expelled; straining is intense, the mass closes the vessels above by pressure and forces the blood downward into the veins, producing dilatation when the force is sufficient. One or more of the small veins near the anus may rupture and cause a bloody (vascular) tumor beneath ...
— Mother's Remedies - Over One Thousand Tried and Tested Remedies from Mothers - of the United States and Canada • T. J. Ritter

... a-diewin' my diewty?" he asked in wavering expostulation—the point now settling in the vascular tissues. ...
— Such is Life • Joseph Furphy

... who is indeed a Christian Scientist, never introduces the subject of human anatomy; never depicts the muscular, vascular, or nervous operations of the human frame. He never talks about the structure of the material body. He never lays his hands on the patient, nor manipulates the parts of the body supposed to be ailing. Above all, he keeps unbroken the Ten Commandments, and practises Christ's Sermon ...
— Rudimental Divine Science • Mary Baker Eddy

... is another water-wise technique that keeps plants growing through the summer. Soluble nutrients sprayed on plant leaves are rapidly taken into the vascular system. Unfortunately, dilute nutrient solutions that won't burn leaves only provoke a strong growth response for 3 to 5 days. Optimally, foliar nutrition must be applied weekly or even more frequently. To efficiently spray a garden larger than a few ...
— Gardening Without Irrigation: or without much, anyway • Steve Solomon

... villi of the small intestine, with their numberless projecting organs, are specially employed to imbibe fluid substances; this they do with a celerity commensurate to the importance and extent of their duties. They are little vascular prominences of the mucous membrane, arising from the interior surface of the small intestine. Each villus has two sets of vessels. (1.) The blood-vessels, which, by their frequent blending, form a complete net-work beneath the external ...
— The People's Common Sense Medical Adviser in Plain English • R. V. Pierce

... Zuntz also regard the increase of red blood corpuscles in the higher mountains as relative only, but explain it by an altered distribution of the corpuscular elements within the vascular system. In their earlier work Cohnstein and Zuntz had already established that the number of corpuscles in the capillary blood varies with the width of the vessels and the rate of flow in them. If one reflects how multifarious are the merely physiological influences at the bottom of ...
— Histology of the Blood - Normal and Pathological • Paul Ehrlich

... air-cells distended or ruptured; many small haemorrhages on surface of lungs and other organs, as well as in their substance (Tardieu's spots), due to rupture of venous capillaries from increased vascular pressure. ...
— Aids to Forensic Medicine and Toxicology • W. G. Aitchison Robertson

... composed almost entirely of blood-vessels, and is developed upon the inner wall of the uterus, at the point at which the ovum attaches itself after fecundation. The growing fetus is connected with this vascular organ by means of a sort of cable, called the umbilical cord. The cord is almost entirely composed of blood-vessels which convey the blood of the fetus to the placenta and return it again. The fetal blood does not mix with that of the mother, but receives oxygen and ...
— Plain Facts for Old and Young • John Harvey Kellogg

... connected with their offspring by the fibres that joined them in their prenatal life; as the nerves continue to report in consciousness an amputated hand or foot. There is in all their emotions a vascular quality or consanguineous tincture ...
— The Friendships of Women • William Rounseville Alger

... differentiation exhibited by its constituent elements. Instead of a loose network of nerve-cells there is the far more complex nervous system whose evolution has been outlined in the sixth chapter. The blood-vascular and respiratory and excretory systems have become well organized, in response, so to speak, to the demands on the part of the nervous and alimentary organs that they may be relieved of the tasks of circulation and respiration and the discharge of ash-wastes. ...
— The Doctrine of Evolution - Its Basis and Its Scope • Henry Edward Crampton

... a similar process as their nutritional content gradually oxidizes or is broken down by the vegetables own enzymes, but vegetables lose nutrition hundreds of times more rapidly than cereals. Produce was recently part of a living plant. It was connected to the vascular system of a plant and with few exceptions, is not intended by nature to remain intact after being cut. A lettuce or a zucchini was entirely alive at the moment of harvest, but from that point, its cells begin to die. Even if it is not yet attacked by bacteria, molds and fungi, its own internal ...
— How and When to Be Your Own Doctor • Dr. Isabelle A. Moser with Steve Solomon

... said that in all the gill-breathing Vertebrata, this mechanism of gill-slits and vascular gill-arches in the front part of the intestinal tract is permanent. But in the air-breathing Vertebrata such an arrangement would obviously be of no use. Consequently, the gill-slits in the sides of the neck (see Figs. 16 and 57, 58), and the gill-arches of the large blood-vessels ...
— Darwin, and After Darwin (Vol. 1 and 3, of 3) • George John Romanes



Words linked to "Vascular" :   vascular system, vascularize, vessel, vascular structure, vascularity, vascular tissue, vascular ray, vascular bundle, avascular, vascular hemophilia, vascular strand, vascular spider, water vascular system, vascular plant



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