collateral vessel

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any channel for carrying a fluid, such as blood or lymph; called also vas.
absorbent vessel lymphatic vessel.
blood vessel any of the vessels conveying the blood; an artery, arteriole, vein, venule, or capillary.
collateral vessel
1. a vessel that parallels another vessel, a nerve, or other structure.
2. a vessel important in establishing and maintaining collateral circulation.
great v's the large vessels entering the heart, including the aorta, the pulmonary arteries and veins, and the venae cavae.
lacteal vessel those that take up chyle from the intestinal wall during digestion.
lymphatic v's the capillaries, collecting vessels, and trunks that collect lymph from the tissues and carry it to the blood stream.
nutrient v's vessels supplying nutritive elements to special tissues, as arteries entering the substance of bone or the walls of large blood vessels.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

col·lat·er·al ves·sel

1. a branch of an artery running parallel with the parent trunk;
2. a vessel that runs in parallel with another vessel, nerve, or other long structure.
Synonym(s): vas collaterale [TA]
Farlex Partner Medical Dictionary © Farlex 2012

col·lat·er·al ves·sel

(kŏ-lat'ĕr-ăl ves'ĕl) [TA]
1. A branch of an artery running parallel with the parent trunk.
2. A vessel that runs in parallel with another vessel, nerve, or other long structure.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
MR images (Figs 1a - c) demonstrated numerous collateral vessels around the brainstem, especially within the ambient and quadrigeminal plate cisterns.
Pedal angiosomes are also linked through medium and large sized collateral vessels, called arterial-arterial connections like the pedal arch and peroneal distal branches [16].
Ischemia is a potent stimulus to increase the oxygen delivery via a network of collateral vessels and to stimulate angiogenesis [34, 35], but this natural capability is impaired in CLI patients [36, 37].
Franklin, "Effects of glyceryl trinitrate on functionally regressed newly developed collateral vessels in conscious dogs," Cardiovascular Research, vol.
Obesity is associated with impaired coronary collateral vessel development.
Presence of the metabolic syndrome does not impair coronary collateral vessel formation in patients with documented coronary artery disease.
An axial image of the same patient a few centimeters caudad demonstrated distended collateral vessels secondary to left renal vein compression adjacent to the renal hilum (Figure 2).
Sestamibi perfusion scans, electromechanical mapping, and angiography showed evidence of improved myocardial perfusion, myocardial motion, and collateral vessel growth in most of the patients in the study, which did not include a placebo group.
The presence of collateral vessels was found to decrease with increasing age, from 47.9% in patients under age 50 to 34.0% in patients aged 70 years and older (J.