vasa vasorum


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

vas

 [vas] (pl. va´sa) (L.)
vessel. adj., adj va´sal.
vas aber´rans
1. a blind tube sometimes connected with the epididymis; a vestigial mesonephric tube.
2. any anomalous or unusual vessel.
va´sa afferen´tia vessels that convey fluid to a structure or part.
va´sa bre´via short gastric arteries.
vas de´ferens ductus deferens.
va´sa efferen´tia vessels that convey fluid away from a structure or part.
va´sa lympha´tica lymphatic vessels.
va´sa prae´via the presentation, in front of the fetal head during labor, of the blood vessels of the umbilical cord where they enter the placenta.
va´sa rec´ta re´nis long U-shaped vessels arising from the efferent glomerular arterioles of juxtamedullary nephrons and supplying the renal medulla. Called also arteriolae rectae renis.
va´sa vaso´rum the small nutrient arteries and veins in the walls of the larger blood vessels.

va·sa va·so·rum

[TA]
small arteries distributed to the outer and middle coats of the larger blood vessels, and their corresponding veins.
Synonym(s): vessels of vessels

vasa vasorum

Etymology: L, vas, vessel
small blood vessels that supply the walls of the arteries and veins.

va·sa va·so·rum

(vā'să vā-sō'rŭm) [TA]
Small arteries distributed to the outer and middle coats of the larger blood or lymph vessels, and their corresponding veins.

vasa vasorum

system of nutrient blood vessels supplying blood and lymphatic vessel walls
References in periodicals archive ?
Arterial intimal hyperplasia after occlusion of the adventitial vasa vasorum in the pig.
Hypothesis: Vasa vasorum and neovascularization of human coronary arteries.
Vasa vasorum in atherosclerotic coronary arteries: Responses to vasoactive stimuli and regression of atherosclerosis.
Vasa vasorum hypoxia: Initiation of atherosclerosis.
Adventitial vasa vasorum in balloon-injured coronary arteries: Visualization and quantitation by a microscopic three-dimensional computed tomography technique.
Quantification of adventitial vasa vasorum vascularization in double-injury restenotic arteries.
33) Vasa vasorum proliferation also precedes the development of endothelial dysfunction.
42) Proliferation of vasa vasorum into the intima may make plaques more vulnerable to rupture and inflammation.
Intercellular adhesion molecule and vascular cell adhesion molecule-1 are highly expressed in adventitial vasa vasorum and thus constitute an important vascular port of entry for inflammatory cells.
55) This hypothesis has been challenged by Hermann and associates, (34) who found that, in hypercholesterolemic pigs, neo-vascularization of coronary vasa vasorum precedes endothelial dysfunction (see previous discussion).
Enhanced coronary vasa vasorum neovascularization in experimental hypercholesterolemia.