VASCULAR
vascular
(adjective) of or relating to or having vessels that conduct and circulate fluids; “vascular constriction”; “a vascular bundle”
Source: WordNet® 3.1
Etymology
Adjective
vascular (not comparable)
(anatomy) Relating to the flow of fluids, such as blood, lymph, or sap, through the body of an animal or plant, or to the vessels that carry such fluids
Antonym: avascular
Source: Wiktionary
Vas"cu*lar, a. Etym: [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.)
Definition: Of or pertaining to the higher division of plants, that is, the
phænogamous 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 (Zoöl.), 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.
Source: Webster’s Unabridged Dictionary 1913 Edition