vasa vasorum

vas (vas) pl. va´ sa  [L.] vessel.va´sal

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vas aber´rans 

1. a blind tubule sometimes connected with the epididymis; a vestigial mesonephric tubule.

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 capilla´re  a capillary.

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  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  straight arterioles of kidney.

va´sa vaso´rum  the small nutrient arteries and veins in the walls of the larger blood vessels.

va´sa vortico´sa  vorticose veins.

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vasa va·so·rum (v-sôrm, -zôr-)

pl.n.

Small arteries that are distributed to the outer and middle coats of the larger blood vessels and to their corresponding veins.

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vasa vasorum

Etymology: L, vas, vessel

small blood vessels that supply the walls of the arteries and veins.

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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.