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Vascular - 7 dictionary results

vas⋅cu⋅lar

[vas-kyuh-ler]
–adjective Biology.
pertaining to, composed of, or provided with vessels or ducts that convey fluids, as blood, lymph, or sap.
Also, vas⋅cu⋅lose [vas-kyuh-lohs] , vas⋅cu⋅lous [vas-kyuh-luhs] .


Origin:
1665–75; < NL vāsculāris. See vasculum, -ar 1


vas⋅cu⋅lar⋅i⋅ty [vas-kyuh-lar-i-tee] , noun
vas⋅cu⋅lar⋅ly, adverb
vas·cu·lar   (vās'kyə-lər)   
adj.  Of, characterized by, or containing vessels that carry or circulate fluids, such as blood, lymph, or sap, through the body of an animal or plant.

[From Latin vāsculum, diminutive of vās, vessel.]
vas'cu·lar'i·ty (-lār'ĭ-tē) n.

Vascular

Vas"cu*lar\, a. [L. vasculum a small vessel, dim. of vas vessel: cf. F. vasculaire. See Vase, and cf. Vessel.]

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 ph[ae]nogamous 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, 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 (Zo["o]l.), 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.

vascular 
1672, from Mod.L. vascularis "of or pertaining to vessels or tubes," from L. vasculum, dim. of vas "vessel."

Main Entry: vas·cu·lar
Pronunciation: 'vas-ky&-l&r
Function: adjective
1 : of, relating to, constituting, or affecting a tubeor a system of tubes for the conveyance of a body fluid (as blood or lymph) <vascular disease> <vascular surgical techniques>
2 : supplied with orcontaining ducts and especially blood vessels vascular tumor> vascular layer of the skin>

vascular vas·cu·lar (vās'kyə-lər)
adj.
Or, relating to, or containing blood vessels.

vascular   (vās'kyə-lər)  Pronunciation Key 
  1. Relating to the vessels of the body, especially the arteries and veins, that carry blood and lymph.
  2. Relating to or having xylem and phloem, plant tissues highly specialized for carrying water, dissolved nutrients, and food from one part of a plant to another. Ferns and all seed-bearing plants have vascular tissues; bryophytes, such as mosses, do not. See more at phloem, xylem.

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